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alsa-2026:25217
Vulnerability from osv_almalinux
Published
2026-06-11 00:00
Modified
2026-06-11 18:23
Summary
Important: kernel security update
Details
The kernel packages contain the Linux kernel, the core of any Linux operating system.
Security Fix(es):
- kernel: scsi: target: iscsi: Fix use-after-free in iscsit_dec_conn_usage_count() (CVE-2026-23216)
- kernel: Linux kernel: Use-after-free in bonding driver leads to denial of service (CVE-2026-31419)
- kernel: net: openvswitch: Avoid releasing netdev before teardown completes (CVE-2026-31508)
- kernel: ALSA: 6fire: fix use-after-free on disconnect (CVE-2026-31581)
- kernel: ip6_tunnel: clear skb2->cb[] in ip4ip6_err() (CVE-2026-43037)
- kernel: net: mana: fix use-after-free in add_adev() error path (CVE-2026-43056)
- kernel: netfilter: ctnetlink: ensure safe access to master conntrack (CVE-2026-43116)
- kernel: dlm: validate length in dlm_search_rsb_tree (CVE-2026-43125)
- kernel: ipv6: rpl: reserve mac_len headroom when recompressed SRH grows (CVE-2026-43501)
- kernel: RDMA/rxe: Fix double free in rxe_srq_from_init (CVE-2026-45852)
- kernel: RDMA/mlx4: Fix mis-use of RCU in mlx4_srq_event() (CVE-2026-46181)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
References
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"details": "The kernel packages contain the Linux kernel, the core of any Linux operating system. \n\nSecurity Fix(es): \n\n * kernel: scsi: target: iscsi: Fix use-after-free in iscsit_dec_conn_usage_count() (CVE-2026-23216)\n * kernel: Linux kernel: Use-after-free in bonding driver leads to denial of service (CVE-2026-31419)\n * kernel: net: openvswitch: Avoid releasing netdev before teardown completes (CVE-2026-31508)\n * kernel: ALSA: 6fire: fix use-after-free on disconnect (CVE-2026-31581)\n * kernel: ip6_tunnel: clear skb2-\u003ecb[] in ip4ip6_err() (CVE-2026-43037)\n * kernel: net: mana: fix use-after-free in add_adev() error path (CVE-2026-43056)\n * kernel: netfilter: ctnetlink: ensure safe access to master conntrack (CVE-2026-43116)\n * kernel: dlm: validate length in dlm_search_rsb_tree (CVE-2026-43125)\n * kernel: ipv6: rpl: reserve mac_len headroom when recompressed SRH grows (CVE-2026-43501)\n * kernel: RDMA/rxe: Fix double free in rxe_srq_from_init (CVE-2026-45852)\n * kernel: RDMA/mlx4: Fix mis-use of RCU in mlx4_srq_event() (CVE-2026-46181)\n\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n",
"id": "ALSA-2026:25217",
"modified": "2026-06-11T18:23:52Z",
"published": "2026-06-11T00:00:00Z",
"references": [
{
"type": "ADVISORY",
"url": "https://access.redhat.com/errata/RHSA-2026:25217"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2026-23216"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2026-31419"
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"url": "https://access.redhat.com/security/cve/CVE-2026-31581"
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"url": "https://access.redhat.com/security/cve/CVE-2026-43037"
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"url": "https://access.redhat.com/security/cve/CVE-2026-43056"
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{
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"url": "https://access.redhat.com/security/cve/CVE-2026-43125"
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"url": "https://access.redhat.com/security/cve/CVE-2026-45852"
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},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/2440630"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/2457829"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/2460641"
},
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"type": "REPORT",
"url": "https://bugzilla.redhat.com/2461471"
},
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"url": "https://bugzilla.redhat.com/2464351"
},
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"url": "https://bugzilla.redhat.com/2464449"
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"url": "https://bugzilla.redhat.com/2467005"
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{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/2467234"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/2480457"
},
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"type": "REPORT",
"url": "https://bugzilla.redhat.com/2482166"
},
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"type": "REPORT",
"url": "https://bugzilla.redhat.com/2482532"
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"type": "ADVISORY",
"url": "https://errata.almalinux.org/9/ALSA-2026-25217.html"
}
],
"related": [
"CVE-2026-23216",
"CVE-2026-31419",
"CVE-2026-31508",
"CVE-2026-31581",
"CVE-2026-43037",
"CVE-2026-43056",
"CVE-2026-43116",
"CVE-2026-43125",
"CVE-2026-43501",
"CVE-2026-45852",
"CVE-2026-46181"
],
"summary": "Important: kernel security update"
}
CVE-2026-23216 (GCVE-0-2026-23216)
Vulnerability from cvelistv5 – Published: 2026-02-18 14:21 – Updated: 2026-06-11 17:53
VLAI
EPSS
Title
scsi: target: iscsi: Fix use-after-free in iscsit_dec_conn_usage_count()
Summary
In the Linux kernel, the following vulnerability has been resolved:
scsi: target: iscsi: Fix use-after-free in iscsit_dec_conn_usage_count()
In iscsit_dec_conn_usage_count(), the function calls complete() while
holding the conn->conn_usage_lock. As soon as complete() is invoked, the
waiter (such as iscsit_close_connection()) may wake up and proceed to free
the iscsit_conn structure.
If the waiter frees the memory before the current thread reaches
spin_unlock_bh(), it results in a KASAN slab-use-after-free as the function
attempts to release a lock within the already-freed connection structure.
Fix this by releasing the spinlock before calling complete().
Severity
No CVSS data available.
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://git.kernel.org/stable/c/ba684191437380a07… | |
| https://git.kernel.org/stable/c/8518f072fc9292141… | |
| https://git.kernel.org/stable/c/275016a551ba1a068… | |
| https://git.kernel.org/stable/c/73b487d44bf4f9294… | |
| https://git.kernel.org/stable/c/48fe983e92de2c59d… | |
| https://git.kernel.org/stable/c/3835e49e146a4e6e7… | |
| https://git.kernel.org/stable/c/9411a89e9e7135cc4… |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
e48354ce078c079996f89d715dfa44814b4eba01 , < ba684191437380a07b27666eb4e72748be1ea201
(git)
Affected: e48354ce078c079996f89d715dfa44814b4eba01 , < 8518f072fc92921418cd9ed4268dd4f3e9a8fd75 (git) Affected: e48354ce078c079996f89d715dfa44814b4eba01 , < 275016a551ba1a068a3bd6171b18611726b67110 (git) Affected: e48354ce078c079996f89d715dfa44814b4eba01 , < 73b487d44bf4f92942629d578381f89c326ff77f (git) Affected: e48354ce078c079996f89d715dfa44814b4eba01 , < 48fe983e92de2c59d143fe38362ad17ba23ec7f3 (git) Affected: e48354ce078c079996f89d715dfa44814b4eba01 , < 3835e49e146a4e6e7787b29465f1a23379b6ec44 (git) Affected: e48354ce078c079996f89d715dfa44814b4eba01 , < 9411a89e9e7135cc459178fa77a3f1d6191ae903 (git) |
|
| Linux | Linux |
Affected:
3.1
Unaffected: 0 , < 3.1 (semver) Unaffected: 5.10.250 , ≤ 5.10.* (semver) Unaffected: 5.15.200 , ≤ 5.15.* (semver) Unaffected: 6.1.163 , ≤ 6.1.* (semver) Unaffected: 6.6.124 , ≤ 6.6.* (semver) Unaffected: 6.12.70 , ≤ 6.12.* (semver) Unaffected: 6.18.10 , ≤ 6.18.* (semver) Unaffected: 6.19 , ≤ * (original_commit_for_fix) |
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CVE-2026-31419 (GCVE-0-2026-31419)
Vulnerability from cvelistv5 – Published: 2026-04-13 13:40 – Updated: 2026-06-19 11:57
VLAI
EPSS
Title
net: bonding: fix use-after-free in bond_xmit_broadcast()
Summary
In the Linux kernel, the following vulnerability has been resolved:
net: bonding: fix use-after-free in bond_xmit_broadcast()
bond_xmit_broadcast() reuses the original skb for the last slave
(determined by bond_is_last_slave()) and clones it for others.
Concurrent slave enslave/release can mutate the slave list during
RCU-protected iteration, changing which slave is "last" mid-loop.
This causes the original skb to be double-consumed (double-freed).
Replace the racy bond_is_last_slave() check with a simple index
comparison (i + 1 == slaves_count) against the pre-snapshot slave
count taken via READ_ONCE() before the loop. This preserves the
zero-copy optimization for the last slave while making the "last"
determination stable against concurrent list mutations.
The UAF can trigger the following crash:
==================================================================
BUG: KASAN: slab-use-after-free in skb_clone
Read of size 8 at addr ffff888100ef8d40 by task exploit/147
CPU: 1 UID: 0 PID: 147 Comm: exploit Not tainted 7.0.0-rc3+ #4 PREEMPTLAZY
Call Trace:
<TASK>
dump_stack_lvl (lib/dump_stack.c:123)
print_report (mm/kasan/report.c:379 mm/kasan/report.c:482)
kasan_report (mm/kasan/report.c:597)
skb_clone (include/linux/skbuff.h:1724 include/linux/skbuff.h:1792 include/linux/skbuff.h:3396 net/core/skbuff.c:2108)
bond_xmit_broadcast (drivers/net/bonding/bond_main.c:5334)
bond_start_xmit (drivers/net/bonding/bond_main.c:5567 drivers/net/bonding/bond_main.c:5593)
dev_hard_start_xmit (include/linux/netdevice.h:5325 include/linux/netdevice.h:5334 net/core/dev.c:3871 net/core/dev.c:3887)
__dev_queue_xmit (include/linux/netdevice.h:3601 net/core/dev.c:4838)
ip6_finish_output2 (include/net/neighbour.h:540 include/net/neighbour.h:554 net/ipv6/ip6_output.c:136)
ip6_finish_output (net/ipv6/ip6_output.c:208 net/ipv6/ip6_output.c:219)
ip6_output (net/ipv6/ip6_output.c:250)
ip6_send_skb (net/ipv6/ip6_output.c:1985)
udp_v6_send_skb (net/ipv6/udp.c:1442)
udpv6_sendmsg (net/ipv6/udp.c:1733)
__sys_sendto (net/socket.c:730 net/socket.c:742 net/socket.c:2206)
__x64_sys_sendto (net/socket.c:2209)
do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
</TASK>
Allocated by task 147:
Freed by task 147:
The buggy address belongs to the object at ffff888100ef8c80
which belongs to the cache skbuff_head_cache of size 224
The buggy address is located 192 bytes inside of
freed 224-byte region [ffff888100ef8c80, ffff888100ef8d60)
Memory state around the buggy address:
ffff888100ef8c00: fb fb fb fb fc fc fc fc fc fc fc fc fc fc fc fc
ffff888100ef8c80: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff888100ef8d00: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc
^
ffff888100ef8d80: fc fc fc fc fc fc fc fc fa fb fb fb fb fb fb fb
ffff888100ef8e00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================
Severity
7.8 (High)
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
4e5bd03ae34652cd932ab4c91c71c511793df75c , < 2de5c8eea0a9db99dae7c36f4b541b74b41d3a04
(git)
Affected: 4e5bd03ae34652cd932ab4c91c71c511793df75c , < 3453882f36c40d2339267093676585a89808a73d (git) Affected: 4e5bd03ae34652cd932ab4c91c71c511793df75c , < d4cc7e4c80b1634c7b1497574a2fdb18df6c026c (git) Affected: 4e5bd03ae34652cd932ab4c91c71c511793df75c , < f5b94654a4a19891a8108d66ef166de6c028c6cd (git) Affected: 4e5bd03ae34652cd932ab4c91c71c511793df75c , < 2884bf72fb8f03409e423397319205de48adca16 (git) Affected: 20949c3816463e97c6f8fe84c0280c7e5ae83a8d (git) Affected: f1d206181f19b00b275b258fea1418718a2f4173 (git) Affected: c1f1691ef84fa6d38fa5e5148eca073145e97ffa (git) Affected: 5.10.94 , < 5.11 (semver) Affected: 5.15.17 , < 5.16 (semver) Affected: 5.16.3 , < 5.17 (semver) |
|
| Linux | Linux |
Affected:
5.17
Unaffected: 0 , < 5.17 (semver) Unaffected: 6.6.143 , ≤ 6.6.* (semver) Unaffected: 6.12.86 , ≤ 6.12.* (semver) Unaffected: 6.18.22 , ≤ 6.18.* (semver) Unaffected: 6.19.12 , ≤ 6.19.* (semver) Unaffected: 7.0 , ≤ * (original_commit_for_fix) |
{
"containers": {
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"drivers/net/bonding/bond_main.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"lessThan": "2de5c8eea0a9db99dae7c36f4b541b74b41d3a04",
"status": "affected",
"version": "4e5bd03ae34652cd932ab4c91c71c511793df75c",
"versionType": "git"
},
{
"lessThan": "3453882f36c40d2339267093676585a89808a73d",
"status": "affected",
"version": "4e5bd03ae34652cd932ab4c91c71c511793df75c",
"versionType": "git"
},
{
"lessThan": "d4cc7e4c80b1634c7b1497574a2fdb18df6c026c",
"status": "affected",
"version": "4e5bd03ae34652cd932ab4c91c71c511793df75c",
"versionType": "git"
},
{
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"status": "affected",
"version": "4e5bd03ae34652cd932ab4c91c71c511793df75c",
"versionType": "git"
},
{
"lessThan": "2884bf72fb8f03409e423397319205de48adca16",
"status": "affected",
"version": "4e5bd03ae34652cd932ab4c91c71c511793df75c",
"versionType": "git"
},
{
"status": "affected",
"version": "20949c3816463e97c6f8fe84c0280c7e5ae83a8d",
"versionType": "git"
},
{
"status": "affected",
"version": "f1d206181f19b00b275b258fea1418718a2f4173",
"versionType": "git"
},
{
"status": "affected",
"version": "c1f1691ef84fa6d38fa5e5148eca073145e97ffa",
"versionType": "git"
},
{
"lessThan": "5.11",
"status": "affected",
"version": "5.10.94",
"versionType": "semver"
},
{
"lessThan": "5.16",
"status": "affected",
"version": "5.15.17",
"versionType": "semver"
},
{
"lessThan": "5.17",
"status": "affected",
"version": "5.16.3",
"versionType": "semver"
}
]
},
{
"defaultStatus": "affected",
"product": "Linux",
"programFiles": [
"drivers/net/bonding/bond_main.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"status": "affected",
"version": "5.17"
},
{
"lessThan": "5.17",
"status": "unaffected",
"version": "0",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"version": "6.6.143",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
"version": "6.12.86",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.18.*",
"status": "unaffected",
"version": "6.18.22",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.19.*",
"status": "unaffected",
"version": "6.19.12",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "7.0",
"versionType": "original_commit_for_fix"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.6.143",
"versionStartIncluding": "5.17",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.12.86",
"versionStartIncluding": "5.17",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.18.22",
"versionStartIncluding": "5.17",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.19.12",
"versionStartIncluding": "5.17",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "7.0",
"versionStartIncluding": "5.17",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.10.94",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.15.17",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.16.3",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: bonding: fix use-after-free in bond_xmit_broadcast()\n\nbond_xmit_broadcast() reuses the original skb for the last slave\n(determined by bond_is_last_slave()) and clones it for others.\nConcurrent slave enslave/release can mutate the slave list during\nRCU-protected iteration, changing which slave is \"last\" mid-loop.\nThis causes the original skb to be double-consumed (double-freed).\n\nReplace the racy bond_is_last_slave() check with a simple index\ncomparison (i + 1 == slaves_count) against the pre-snapshot slave\ncount taken via READ_ONCE() before the loop. This preserves the\nzero-copy optimization for the last slave while making the \"last\"\ndetermination stable against concurrent list mutations.\n\nThe UAF can trigger the following crash:\n\n==================================================================\nBUG: KASAN: slab-use-after-free in skb_clone\nRead of size 8 at addr ffff888100ef8d40 by task exploit/147\n\nCPU: 1 UID: 0 PID: 147 Comm: exploit Not tainted 7.0.0-rc3+ #4 PREEMPTLAZY\nCall Trace:\n \u003cTASK\u003e\n dump_stack_lvl (lib/dump_stack.c:123)\n print_report (mm/kasan/report.c:379 mm/kasan/report.c:482)\n kasan_report (mm/kasan/report.c:597)\n skb_clone (include/linux/skbuff.h:1724 include/linux/skbuff.h:1792 include/linux/skbuff.h:3396 net/core/skbuff.c:2108)\n bond_xmit_broadcast (drivers/net/bonding/bond_main.c:5334)\n bond_start_xmit (drivers/net/bonding/bond_main.c:5567 drivers/net/bonding/bond_main.c:5593)\n dev_hard_start_xmit (include/linux/netdevice.h:5325 include/linux/netdevice.h:5334 net/core/dev.c:3871 net/core/dev.c:3887)\n __dev_queue_xmit (include/linux/netdevice.h:3601 net/core/dev.c:4838)\n ip6_finish_output2 (include/net/neighbour.h:540 include/net/neighbour.h:554 net/ipv6/ip6_output.c:136)\n ip6_finish_output (net/ipv6/ip6_output.c:208 net/ipv6/ip6_output.c:219)\n ip6_output (net/ipv6/ip6_output.c:250)\n ip6_send_skb (net/ipv6/ip6_output.c:1985)\n udp_v6_send_skb (net/ipv6/udp.c:1442)\n udpv6_sendmsg (net/ipv6/udp.c:1733)\n __sys_sendto (net/socket.c:730 net/socket.c:742 net/socket.c:2206)\n __x64_sys_sendto (net/socket.c:2209)\n do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)\n entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)\n \u003c/TASK\u003e\n\nAllocated by task 147:\n\nFreed by task 147:\n\nThe buggy address belongs to the object at ffff888100ef8c80\n which belongs to the cache skbuff_head_cache of size 224\nThe buggy address is located 192 bytes inside of\n freed 224-byte region [ffff888100ef8c80, ffff888100ef8d60)\n\nMemory state around the buggy address:\n ffff888100ef8c00: fb fb fb fb fc fc fc fc fc fc fc fc fc fc fc fc\n ffff888100ef8c80: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb\n\u003effff888100ef8d00: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc\n ^\n ffff888100ef8d80: fc fc fc fc fc fc fc fc fa fb fb fb fb fb fb fb\n ffff888100ef8e00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb\n=================================================================="
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 7.8,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-06-19T11:57:40.484Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
},
"references": [
{
"url": "https://git.kernel.org/stable/c/2de5c8eea0a9db99dae7c36f4b541b74b41d3a04"
},
{
"url": "https://git.kernel.org/stable/c/3453882f36c40d2339267093676585a89808a73d"
},
{
"url": "https://git.kernel.org/stable/c/d4cc7e4c80b1634c7b1497574a2fdb18df6c026c"
},
{
"url": "https://git.kernel.org/stable/c/f5b94654a4a19891a8108d66ef166de6c028c6cd"
},
{
"url": "https://git.kernel.org/stable/c/2884bf72fb8f03409e423397319205de48adca16"
}
],
"title": "net: bonding: fix use-after-free in bond_xmit_broadcast()",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2026-31419",
"datePublished": "2026-04-13T13:40:23.279Z",
"dateReserved": "2026-03-09T15:48:24.088Z",
"dateUpdated": "2026-06-19T11:57:40.484Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-31508 (GCVE-0-2026-31508)
Vulnerability from cvelistv5 – Published: 2026-04-22 13:54 – Updated: 2026-05-23 16:05
VLAI
EPSS
Title
net: openvswitch: Avoid releasing netdev before teardown completes
Summary
In the Linux kernel, the following vulnerability has been resolved:
net: openvswitch: Avoid releasing netdev before teardown completes
The patch cited in the Fixes tag below changed the teardown code for
OVS ports to no longer unconditionally take the RTNL. After this change,
the netdev_destroy() callback can proceed immediately to the call_rcu()
invocation if the IFF_OVS_DATAPATH flag is already cleared on the
netdev.
The ovs_netdev_detach_dev() function clears the flag before completing
the unregistration, and if it gets preempted after clearing the flag (as
can happen on an -rt kernel), netdev_destroy() can complete and the
device can be freed before the unregistration completes. This leads to a
splat like:
[ 998.393867] Oops: general protection fault, probably for non-canonical address 0xff00000001000239: 0000 [#1] SMP PTI
[ 998.393877] CPU: 42 UID: 0 PID: 55177 Comm: ip Kdump: loaded Not tainted 6.12.0-211.1.1.el10_2.x86_64+rt #1 PREEMPT_RT
[ 998.393886] Hardware name: Dell Inc. PowerEdge R740/0JMK61, BIOS 2.24.0 03/27/2025
[ 998.393889] RIP: 0010:dev_set_promiscuity+0x8d/0xa0
[ 998.393901] Code: 00 00 75 d8 48 8b 53 08 48 83 ba b0 02 00 00 00 75 ca 48 83 c4 08 5b c3 cc cc cc cc 48 83 bf 48 09 00 00 00 75 91 48 8b 47 08 <48> 83 b8 b0 02 00 00 00 74 97 eb 81 0f 1f 80 00 00 00 00 90 90 90
[ 998.393906] RSP: 0018:ffffce5864a5f6a0 EFLAGS: 00010246
[ 998.393912] RAX: ff00000000ffff89 RBX: ffff894d0adf5a05 RCX: 0000000000000000
[ 998.393917] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: ffff894d0adf5a05
[ 998.393921] RBP: ffff894d19252000 R08: ffff894d19252000 R09: 0000000000000000
[ 998.393924] R10: ffff894d19252000 R11: ffff894d192521b8 R12: 0000000000000006
[ 998.393927] R13: ffffce5864a5f738 R14: 00000000ffffffe2 R15: 0000000000000000
[ 998.393931] FS: 00007fad61971800(0000) GS:ffff894cc0140000(0000) knlGS:0000000000000000
[ 998.393936] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 998.393940] CR2: 000055df0a2a6e40 CR3: 000000011c7fe003 CR4: 00000000007726f0
[ 998.393944] PKRU: 55555554
[ 998.393946] Call Trace:
[ 998.393949] <TASK>
[ 998.393952] ? show_trace_log_lvl+0x1b0/0x2f0
[ 998.393961] ? show_trace_log_lvl+0x1b0/0x2f0
[ 998.393975] ? dp_device_event+0x41/0x80 [openvswitch]
[ 998.394009] ? __die_body.cold+0x8/0x12
[ 998.394016] ? die_addr+0x3c/0x60
[ 998.394027] ? exc_general_protection+0x16d/0x390
[ 998.394042] ? asm_exc_general_protection+0x26/0x30
[ 998.394058] ? dev_set_promiscuity+0x8d/0xa0
[ 998.394066] ? ovs_netdev_detach_dev+0x3a/0x80 [openvswitch]
[ 998.394092] dp_device_event+0x41/0x80 [openvswitch]
[ 998.394102] notifier_call_chain+0x5a/0xd0
[ 998.394106] unregister_netdevice_many_notify+0x51b/0xa60
[ 998.394110] rtnl_dellink+0x169/0x3e0
[ 998.394121] ? rt_mutex_slowlock.constprop.0+0x95/0xd0
[ 998.394125] rtnetlink_rcv_msg+0x142/0x3f0
[ 998.394128] ? avc_has_perm_noaudit+0x69/0xf0
[ 998.394130] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 998.394132] netlink_rcv_skb+0x50/0x100
[ 998.394138] netlink_unicast+0x292/0x3f0
[ 998.394141] netlink_sendmsg+0x21b/0x470
[ 998.394145] ____sys_sendmsg+0x39d/0x3d0
[ 998.394149] ___sys_sendmsg+0x9a/0xe0
[ 998.394156] __sys_sendmsg+0x7a/0xd0
[ 998.394160] do_syscall_64+0x7f/0x170
[ 998.394162] entry_SYSCALL_64_after_hwframe+0x76/0x7e
[ 998.394165] RIP: 0033:0x7fad61bf4724
[ 998.394188] Code: 89 02 b8 ff ff ff ff eb bb 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 80 3d c5 e9 0c 00 00 74 13 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 54 c3 0f 1f 00 48 83 ec 28 89 54 24 1c 48 89
[ 998.394189] RSP: 002b:00007ffd7e2f7cb8 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[ 998.394191] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fad61bf4724
[ 998.394193] RDX: 0000000000000000 RSI: 00007ffd7e2f7d20 RDI: 0000000000000003
[ 998.394194] RBP: 00007ffd7e2f7d90 R08: 0000000000000010 R09: 000000000000003f
[ 998.394195] R10: 000055df11558010 R11: 0000000000000202 R12: 00007ffd7e2
---truncated---
Severity
7.8 (High)
Assigner
References
8 references
| URL | Tags |
|---|---|
| https://git.kernel.org/stable/c/df3c95be76103604e… | |
| https://git.kernel.org/stable/c/33609454be4f582e6… | |
| https://git.kernel.org/stable/c/5fdeaf591a0942772… | |
| https://git.kernel.org/stable/c/4c3e25a7b711a402f… | |
| https://git.kernel.org/stable/c/43579baa17270aa51… | |
| https://git.kernel.org/stable/c/95265232b49765a4d… | |
| https://git.kernel.org/stable/c/755a6300afbd743cd… | |
| https://git.kernel.org/stable/c/7c770dadfda5cbbde… |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
b823c3344d5446b720227ba561df10a4f0add515 , < df3c95be76103604e752131d9495a24814915ece
(git)
Affected: 052e5db5be4576e0a8ef1460b210da5f328f4cd1 , < 33609454be4f582e686a4bf13d4482a5ca0f6c4b (git) Affected: c98263d5ace597c096a7a60aeef790da7b54979e , < 5fdeaf591a0942772c2d18ff3563697a49ad01c6 (git) Affected: 0fc642f011cb7a7eff41109e66d3b552e9f4d795 , < 4c3e25a7b711a402fcbbbcfbbdf2868ece1ae7c8 (git) Affected: 5116f61ab11846844585c9082c547c4ccd97ff1a , < 43579baa17270aa51f93eb09b6e4af6e047b7f6e (git) Affected: f31557fb1b35332cca9994aa196cef284bcf3807 , < 95265232b49765a4d00f4d028c100bb7185600f4 (git) Affected: 5498227676303e3ffa9a3a46214af96bc3e81314 , < 755a6300afbd743cda4b102f24f343380ec0e0ff (git) Affected: 5498227676303e3ffa9a3a46214af96bc3e81314 , < 7c770dadfda5cbbde6aa3c4363ed513f1d212bf8 (git) Affected: 5.10.248 , < 5.10.253 (semver) Affected: 5.15.198 , < 5.15.203 (semver) Affected: 6.1.160 , < 6.1.168 (semver) Affected: 6.6.120 , < 6.6.131 (semver) Affected: 6.12.64 , < 6.12.80 (semver) Affected: 6.18.4 , < 6.18.21 (semver) |
|
| Linux | Linux |
Affected:
6.19
Unaffected: 0 , < 6.19 (semver) Unaffected: 5.10.253 , ≤ 5.10.* (semver) Unaffected: 5.15.203 , ≤ 5.15.* (semver) Unaffected: 6.1.168 , ≤ 6.1.* (semver) Unaffected: 6.6.131 , ≤ 6.6.* (semver) Unaffected: 6.12.80 , ≤ 6.12.* (semver) Unaffected: 6.18.21 , ≤ 6.18.* (semver) Unaffected: 6.19.11 , ≤ 6.19.* (semver) Unaffected: 7.0 , ≤ * (original_commit_for_fix) |
{
"containers": {
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"net/openvswitch/vport-netdev.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"lessThan": "df3c95be76103604e752131d9495a24814915ece",
"status": "affected",
"version": "b823c3344d5446b720227ba561df10a4f0add515",
"versionType": "git"
},
{
"lessThan": "33609454be4f582e686a4bf13d4482a5ca0f6c4b",
"status": "affected",
"version": "052e5db5be4576e0a8ef1460b210da5f328f4cd1",
"versionType": "git"
},
{
"lessThan": "5fdeaf591a0942772c2d18ff3563697a49ad01c6",
"status": "affected",
"version": "c98263d5ace597c096a7a60aeef790da7b54979e",
"versionType": "git"
},
{
"lessThan": "4c3e25a7b711a402fcbbbcfbbdf2868ece1ae7c8",
"status": "affected",
"version": "0fc642f011cb7a7eff41109e66d3b552e9f4d795",
"versionType": "git"
},
{
"lessThan": "43579baa17270aa51f93eb09b6e4af6e047b7f6e",
"status": "affected",
"version": "5116f61ab11846844585c9082c547c4ccd97ff1a",
"versionType": "git"
},
{
"lessThan": "95265232b49765a4d00f4d028c100bb7185600f4",
"status": "affected",
"version": "f31557fb1b35332cca9994aa196cef284bcf3807",
"versionType": "git"
},
{
"lessThan": "755a6300afbd743cda4b102f24f343380ec0e0ff",
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{
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"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: openvswitch: Avoid releasing netdev before teardown completes\n\nThe patch cited in the Fixes tag below changed the teardown code for\nOVS ports to no longer unconditionally take the RTNL. After this change,\nthe netdev_destroy() callback can proceed immediately to the call_rcu()\ninvocation if the IFF_OVS_DATAPATH flag is already cleared on the\nnetdev.\n\nThe ovs_netdev_detach_dev() function clears the flag before completing\nthe unregistration, and if it gets preempted after clearing the flag (as\ncan happen on an -rt kernel), netdev_destroy() can complete and the\ndevice can be freed before the unregistration completes. This leads to a\nsplat like:\n\n[ 998.393867] Oops: general protection fault, probably for non-canonical address 0xff00000001000239: 0000 [#1] SMP PTI\n[ 998.393877] CPU: 42 UID: 0 PID: 55177 Comm: ip Kdump: loaded Not tainted 6.12.0-211.1.1.el10_2.x86_64+rt #1 PREEMPT_RT\n[ 998.393886] Hardware name: Dell Inc. PowerEdge R740/0JMK61, BIOS 2.24.0 03/27/2025\n[ 998.393889] RIP: 0010:dev_set_promiscuity+0x8d/0xa0\n[ 998.393901] Code: 00 00 75 d8 48 8b 53 08 48 83 ba b0 02 00 00 00 75 ca 48 83 c4 08 5b c3 cc cc cc cc 48 83 bf 48 09 00 00 00 75 91 48 8b 47 08 \u003c48\u003e 83 b8 b0 02 00 00 00 74 97 eb 81 0f 1f 80 00 00 00 00 90 90 90\n[ 998.393906] RSP: 0018:ffffce5864a5f6a0 EFLAGS: 00010246\n[ 998.393912] RAX: ff00000000ffff89 RBX: ffff894d0adf5a05 RCX: 0000000000000000\n[ 998.393917] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: ffff894d0adf5a05\n[ 998.393921] RBP: ffff894d19252000 R08: ffff894d19252000 R09: 0000000000000000\n[ 998.393924] R10: ffff894d19252000 R11: ffff894d192521b8 R12: 0000000000000006\n[ 998.393927] R13: ffffce5864a5f738 R14: 00000000ffffffe2 R15: 0000000000000000\n[ 998.393931] FS: 00007fad61971800(0000) GS:ffff894cc0140000(0000) knlGS:0000000000000000\n[ 998.393936] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[ 998.393940] CR2: 000055df0a2a6e40 CR3: 000000011c7fe003 CR4: 00000000007726f0\n[ 998.393944] PKRU: 55555554\n[ 998.393946] Call Trace:\n[ 998.393949] \u003cTASK\u003e\n[ 998.393952] ? show_trace_log_lvl+0x1b0/0x2f0\n[ 998.393961] ? show_trace_log_lvl+0x1b0/0x2f0\n[ 998.393975] ? dp_device_event+0x41/0x80 [openvswitch]\n[ 998.394009] ? __die_body.cold+0x8/0x12\n[ 998.394016] ? die_addr+0x3c/0x60\n[ 998.394027] ? exc_general_protection+0x16d/0x390\n[ 998.394042] ? asm_exc_general_protection+0x26/0x30\n[ 998.394058] ? dev_set_promiscuity+0x8d/0xa0\n[ 998.394066] ? ovs_netdev_detach_dev+0x3a/0x80 [openvswitch]\n[ 998.394092] dp_device_event+0x41/0x80 [openvswitch]\n[ 998.394102] notifier_call_chain+0x5a/0xd0\n[ 998.394106] unregister_netdevice_many_notify+0x51b/0xa60\n[ 998.394110] rtnl_dellink+0x169/0x3e0\n[ 998.394121] ? rt_mutex_slowlock.constprop.0+0x95/0xd0\n[ 998.394125] rtnetlink_rcv_msg+0x142/0x3f0\n[ 998.394128] ? avc_has_perm_noaudit+0x69/0xf0\n[ 998.394130] ? __pfx_rtnetlink_rcv_msg+0x10/0x10\n[ 998.394132] netlink_rcv_skb+0x50/0x100\n[ 998.394138] netlink_unicast+0x292/0x3f0\n[ 998.394141] netlink_sendmsg+0x21b/0x470\n[ 998.394145] ____sys_sendmsg+0x39d/0x3d0\n[ 998.394149] ___sys_sendmsg+0x9a/0xe0\n[ 998.394156] __sys_sendmsg+0x7a/0xd0\n[ 998.394160] do_syscall_64+0x7f/0x170\n[ 998.394162] entry_SYSCALL_64_after_hwframe+0x76/0x7e\n[ 998.394165] RIP: 0033:0x7fad61bf4724\n[ 998.394188] Code: 89 02 b8 ff ff ff ff eb bb 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 80 3d c5 e9 0c 00 00 74 13 b8 2e 00 00 00 0f 05 \u003c48\u003e 3d 00 f0 ff ff 77 54 c3 0f 1f 00 48 83 ec 28 89 54 24 1c 48 89\n[ 998.394189] RSP: 002b:00007ffd7e2f7cb8 EFLAGS: 00000202 ORIG_RAX: 000000000000002e\n[ 998.394191] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fad61bf4724\n[ 998.394193] RDX: 0000000000000000 RSI: 00007ffd7e2f7d20 RDI: 0000000000000003\n[ 998.394194] RBP: 00007ffd7e2f7d90 R08: 0000000000000010 R09: 000000000000003f\n[ 998.394195] R10: 000055df11558010 R11: 0000000000000202 R12: 00007ffd7e2\n---truncated---"
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 7.8,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-05-23T16:05:13.288Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
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"references": [
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{
"url": "https://git.kernel.org/stable/c/4c3e25a7b711a402fcbbbcfbbdf2868ece1ae7c8"
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"url": "https://git.kernel.org/stable/c/43579baa17270aa51f93eb09b6e4af6e047b7f6e"
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{
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{
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},
{
"url": "https://git.kernel.org/stable/c/7c770dadfda5cbbde6aa3c4363ed513f1d212bf8"
}
],
"title": "net: openvswitch: Avoid releasing netdev before teardown completes",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2026-31508",
"datePublished": "2026-04-22T13:54:26.599Z",
"dateReserved": "2026-03-09T15:48:24.106Z",
"dateUpdated": "2026-05-23T16:05:13.288Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-31581 (GCVE-0-2026-31581)
Vulnerability from cvelistv5 – Published: 2026-04-24 14:42 – Updated: 2026-06-14 17:42
VLAI
EPSS
Title
ALSA: 6fire: fix use-after-free on disconnect
Summary
In the Linux kernel, the following vulnerability has been resolved:
ALSA: 6fire: fix use-after-free on disconnect
In usb6fire_chip_abort(), the chip struct is allocated as the card's
private data (via snd_card_new with sizeof(struct sfire_chip)). When
snd_card_free_when_closed() is called and no file handles are open, the
card and embedded chip are freed synchronously. The subsequent
chip->card = NULL write then hits freed slab memory.
Call trace:
usb6fire_chip_abort sound/usb/6fire/chip.c:59 [inline]
usb6fire_chip_disconnect+0x348/0x358 sound/usb/6fire/chip.c:182
usb_unbind_interface+0x1a8/0x88c drivers/usb/core/driver.c:458
...
hub_event+0x1a04/0x4518 drivers/usb/core/hub.c:5953
Fix by moving the card lifecycle out of usb6fire_chip_abort() and into
usb6fire_chip_disconnect(). The card pointer is saved in a local
before any teardown, snd_card_disconnect() is called first to prevent
new opens, URBs are aborted while chip is still valid, and
snd_card_free_when_closed() is called last so chip is never accessed
after the card may be freed.
Severity
No CVSS data available.
Assigner
References
9 references
| URL | Tags |
|---|---|
| https://git.kernel.org/stable/c/e719232f4552e29de… | |
| https://git.kernel.org/stable/c/e247a0e01d15ed420… | |
| https://git.kernel.org/stable/c/ba88461f7653636c4… | |
| https://git.kernel.org/stable/c/e88354b381e2006de… | |
| https://git.kernel.org/stable/c/af75b486f7e883e34… | |
| https://git.kernel.org/stable/c/d21e8a2af4869b589… | |
| https://git.kernel.org/stable/c/3dc20d1981d6a67d8… | |
| https://git.kernel.org/stable/c/51f6532790b74ffdd… | |
| https://git.kernel.org/stable/c/b9c826916fdce6419… |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
f2d06d4e129e2508e356136f99bb20a332ff1a00 , < e719232f4552e29de8027a83918ea94434be87af
(git)
Affected: b889a7d68d7e76b8795b754a75c91a2d561d5e8c , < e247a0e01d15ed420f77ec5e2335721bf430a5b3 (git) Affected: ea8cc56db659cf0ae57073e32a4735ead7bd7ee3 , < ba88461f7653636c48321ca993006a74724c2f41 (git) Affected: b754e831a94f82f2593af806741392903f359168 , < e88354b381e2006de63d6b052ed7005c9a47d00e (git) Affected: 57860a80f03f9dc69a34a5c37b0941ad032a0a8c , < af75b486f7e883e3422ece23c8d727e6815144a0 (git) Affected: a0810c3d6dd2d29a9b92604d682eacd2902ce947 , < d21e8a2af4869b5890b34e081d5aeadc93e9cd5c (git) Affected: a0810c3d6dd2d29a9b92604d682eacd2902ce947 , < 3dc20d1981d6a67d8184498a5da272942dde1e65 (git) Affected: a0810c3d6dd2d29a9b92604d682eacd2902ce947 , < 51f6532790b74ffdd6970bc848358a2838c1c185 (git) Affected: a0810c3d6dd2d29a9b92604d682eacd2902ce947 , < b9c826916fdce6419b94eb0cd8810fdac18c2386 (git) Affected: 74357d0b5cd3ef544752bc9f21cbeee4902fae6c (git) Affected: 273eec23467dfbfbd0e4c10302579ba441fb1e13 (git) Affected: 0df7f4b5cc10f5adf98be0845372e9eef7bb5b09 (git) Affected: 5.10.231 , < 5.10.258 (semver) Affected: 5.15.174 , < 5.15.209 (semver) Affected: 6.1.120 , < 6.1.175 (semver) Affected: 6.6.64 , < 6.6.136 (semver) Affected: 6.12.2 , < 6.12.83 (semver) Affected: 4.19.325 , < 4.20 (semver) Affected: 5.4.287 , < 5.5 (semver) Affected: 6.11.11 , < 6.12 (semver) |
|
| Linux | Linux |
Affected:
6.13
Unaffected: 0 , < 6.13 (semver) Unaffected: 5.10.258 , ≤ 5.10.* (semver) Unaffected: 5.15.209 , ≤ 5.15.* (semver) Unaffected: 6.1.175 , ≤ 6.1.* (semver) Unaffected: 6.6.136 , ≤ 6.6.* (semver) Unaffected: 6.12.83 , ≤ 6.12.* (semver) Unaffected: 6.18.24 , ≤ 6.18.* (semver) Unaffected: 6.19.14 , ≤ 6.19.* (semver) Unaffected: 7.0.1 , ≤ 7.0.* (semver) Unaffected: 7.1 , ≤ * (original_commit_for_fix) |
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "5.10.258",
"versionStartIncluding": "5.10.231",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "5.15.209",
"versionStartIncluding": "5.15.174",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.1.175",
"versionStartIncluding": "6.1.120",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.6.136",
"versionStartIncluding": "6.6.64",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.12.83",
"versionStartIncluding": "6.12.2",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.18.24",
"versionStartIncluding": "6.13",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.19.14",
"versionStartIncluding": "6.13",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "7.0.1",
"versionStartIncluding": "6.13",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "7.1",
"versionStartIncluding": "6.13",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.19.325",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.4.287",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.11.11",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: 6fire: fix use-after-free on disconnect\n\nIn usb6fire_chip_abort(), the chip struct is allocated as the card\u0027s\nprivate data (via snd_card_new with sizeof(struct sfire_chip)). When\nsnd_card_free_when_closed() is called and no file handles are open, the\ncard and embedded chip are freed synchronously. The subsequent\nchip-\u003ecard = NULL write then hits freed slab memory.\n\nCall trace:\n usb6fire_chip_abort sound/usb/6fire/chip.c:59 [inline]\n usb6fire_chip_disconnect+0x348/0x358 sound/usb/6fire/chip.c:182\n usb_unbind_interface+0x1a8/0x88c drivers/usb/core/driver.c:458\n ...\n hub_event+0x1a04/0x4518 drivers/usb/core/hub.c:5953\n\nFix by moving the card lifecycle out of usb6fire_chip_abort() and into\nusb6fire_chip_disconnect(). The card pointer is saved in a local\nbefore any teardown, snd_card_disconnect() is called first to prevent\nnew opens, URBs are aborted while chip is still valid, and\nsnd_card_free_when_closed() is called last so chip is never accessed\nafter the card may be freed."
}
],
"providerMetadata": {
"dateUpdated": "2026-06-14T17:42:07.970Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
},
"references": [
{
"url": "https://git.kernel.org/stable/c/e719232f4552e29de8027a83918ea94434be87af"
},
{
"url": "https://git.kernel.org/stable/c/e247a0e01d15ed420f77ec5e2335721bf430a5b3"
},
{
"url": "https://git.kernel.org/stable/c/ba88461f7653636c48321ca993006a74724c2f41"
},
{
"url": "https://git.kernel.org/stable/c/e88354b381e2006de63d6b052ed7005c9a47d00e"
},
{
"url": "https://git.kernel.org/stable/c/af75b486f7e883e3422ece23c8d727e6815144a0"
},
{
"url": "https://git.kernel.org/stable/c/d21e8a2af4869b5890b34e081d5aeadc93e9cd5c"
},
{
"url": "https://git.kernel.org/stable/c/3dc20d1981d6a67d8184498a5da272942dde1e65"
},
{
"url": "https://git.kernel.org/stable/c/51f6532790b74ffdd6970bc848358a2838c1c185"
},
{
"url": "https://git.kernel.org/stable/c/b9c826916fdce6419b94eb0cd8810fdac18c2386"
}
],
"title": "ALSA: 6fire: fix use-after-free on disconnect",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2026-31581",
"datePublished": "2026-04-24T14:42:11.557Z",
"dateReserved": "2026-03-09T15:48:24.119Z",
"dateUpdated": "2026-06-14T17:42:07.970Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-43037 (GCVE-0-2026-43037)
Vulnerability from cvelistv5 – Published: 2026-05-01 14:15 – Updated: 2026-06-27 04:05
VLAI
EPSS
Title
ip6_tunnel: clear skb2->cb[] in ip4ip6_err()
Summary
In the Linux kernel, the following vulnerability has been resolved:
ip6_tunnel: clear skb2->cb[] in ip4ip6_err()
Oskar Kjos reported the following problem.
ip4ip6_err() calls icmp_send() on a cloned skb whose cb[] was written
by the IPv6 receive path as struct inet6_skb_parm. icmp_send() passes
IPCB(skb2) to __ip_options_echo(), which interprets that cb[] region
as struct inet_skb_parm (IPv4). The layouts differ: inet6_skb_parm.nhoff
at offset 14 overlaps inet_skb_parm.opt.rr, producing a non-zero rr
value. __ip_options_echo() then reads optlen from attacker-controlled
packet data at sptr[rr+1] and copies that many bytes into dopt->__data,
a fixed 40-byte stack buffer (IP_OPTIONS_DATA_FIXED_SIZE).
To fix this we clear skb2->cb[], as suggested by Oskar Kjos.
Also add minimal IPv4 header validation (version == 4, ihl >= 5).
Severity
9.8 (Critical)
8.8 (High)
CWE
- CWE-843 - Access of Resource Using Incompatible Type ('Type Confusion')
Assigner
References
39 references
| URL | Tags |
|---|---|
| https://git.kernel.org/stable/c/ea9f65b27c8404e16… | |
| https://git.kernel.org/stable/c/d6621f60192fe10c0… | |
| https://git.kernel.org/stable/c/2cc6e3b0fe0f0242d… | |
| https://git.kernel.org/stable/c/a0c4ce9900a108eaf… | |
| https://git.kernel.org/stable/c/1063515ce15ff3106… | |
| https://git.kernel.org/stable/c/590f622669b97eaf7… | |
| https://git.kernel.org/stable/c/4a622658f384b0356… | |
| https://git.kernel.org/stable/c/2edfa31769a4add82… | |
| https://access.redhat.com/security/cve/CVE-2026-43037 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2464351 | issue-trackingx_refsource_REDHAT |
| https://security.access.redhat.com/data/csaf/v2/v… | x_sadp-csaf-vex |
| https://access.redhat.com/errata/RHSA-2026:25534 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:27719 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:27729 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:26528 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:26542 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:25181 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:25200 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:25193 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:25186 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:24343 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:25191 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:22940 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:23237 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:23224 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:25217 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:28742 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:25121 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:28749 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:26535 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:25533 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:22964 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:28748 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:28750 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:28738 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:28740 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:28741 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:25120 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:22900 | vendor-advisoryx_refsource_REDHAT |
Impacted products
54 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
c4d3efafcc933fd2ffd169d7dc4f980393a13796 , < ea9f65b27c8404e164848ebff1443310fd187629
(git)
Affected: c4d3efafcc933fd2ffd169d7dc4f980393a13796 , < d6621f60192fe10c047a4487be42a6f4c150707f (git) Affected: c4d3efafcc933fd2ffd169d7dc4f980393a13796 , < 2cc6e3b0fe0f0242d1f530a93a4924f48ab85ba5 (git) Affected: c4d3efafcc933fd2ffd169d7dc4f980393a13796 , < a0c4ce9900a108eaf55d0f3b399cb55999647d39 (git) Affected: c4d3efafcc933fd2ffd169d7dc4f980393a13796 , < 1063515ce15ff31065c4e7f8265f4c2fd3c54876 (git) Affected: c4d3efafcc933fd2ffd169d7dc4f980393a13796 , < 590f622669b97eaf7b57a1de7b0a6e68c5d8b2c3 (git) Affected: c4d3efafcc933fd2ffd169d7dc4f980393a13796 , < 4a622658f384b03560834cbe8ffcfe69a278f7c8 (git) Affected: c4d3efafcc933fd2ffd169d7dc4f980393a13796 , < 2edfa31769a4add828a7e604b21cb82aaaa05925 (git) |
|
| Linux | Linux |
Affected:
2.6.22
Unaffected: 0 , < 2.6.22 (semver) Unaffected: 5.10.253 , ≤ 5.10.* (semver) Unaffected: 5.15.203 , ≤ 5.15.* (semver) Unaffected: 6.1.168 , ≤ 6.1.* (semver) Unaffected: 6.6.134 , ≤ 6.6.* (semver) Unaffected: 6.12.81 , ≤ 6.12.* (semver) Unaffected: 6.18.22 , ≤ 6.18.* (semver) Unaffected: 6.19.12 , ≤ 6.19.* (semver) Unaffected: 7.0 , ≤ * (original_commit_for_fix) |
|
| Red Hat | NVIDIA for RHEL 10 |
cpe:/a:redhat:enterprise_linux_nvidia:10::el10 |
|
| Red Hat | Red Hat Enterprise Linux Server -EXTENSION(v. 6 ELS-EXTENSION) |
cpe:/o:redhat:rhel_els:6 |
|
| Red Hat | Red Hat Enterprise Linux Server Optional -EXTENSION (v. 6 ELS -EXTENSION) |
cpe:/o:redhat:rhel_els:6 |
|
| Red Hat | Red Hat Enterprise Linux Server (v. 7 ELS) |
cpe:/o:redhat:rhel_els:7 |
|
| Red Hat | Red Hat Enterprise Linux Server Optional (v. 7 ELS) |
cpe:/o:redhat:rhel_els:7 |
|
| Red Hat | Red Hat OpenShift Container Platform 4.12 |
cpe:/a:redhat:openshift:4.12::el8 |
|
| Red Hat | Red Hat OpenShift Container Platform 4.13 |
cpe:/a:redhat:openshift:4.13::el9 |
|
| Red Hat | Red Hat OpenShift Container Platform 4.18 |
cpe:/a:redhat:openshift:4.18::el9 |
|
| Red Hat | Red Hat OpenShift Container Platform 4.19 |
cpe:/a:redhat:openshift:4.19::el9 |
|
| Red Hat | Red Hat OpenShift Container Platform 4.20 |
cpe:/a:redhat:openshift:4.20::el9 |
|
| Red Hat | Red Hat OpenShift Container Platform 4.21 |
cpe:/a:redhat:openshift:4.21::el9 |
|
| Red Hat | Red Hat Enterprise Linux AppStream EUS (v. 10.0) |
cpe:/o:redhat:enterprise_linux_eus:10.0 |
|
| Red Hat | Red Hat Enterprise Linux AppStream (v. 10) |
cpe:/o:redhat:enterprise_linux:10.2 |
|
| Red Hat | Red Hat Enterprise Linux AppStream E4S (v.9.2) |
cpe:/a:redhat:rhel_e4s:9.2::appstream |
|
| Red Hat | Red Hat Enterprise Linux AppStream E4S (v.9.4) |
cpe:/a:redhat:rhel_e4s:9.4::appstream |
|
| Red Hat | Red Hat Enterprise Linux AppStream EUS (v.9.6) |
cpe:/a:redhat:rhel_eus:9.6::appstream |
|
| Red Hat | Red Hat Enterprise Linux AppStream (v. 9) |
cpe:/a:redhat:enterprise_linux:9::appstream |
|
| Red Hat | Red Hat Enterprise Linux BaseOS EUS (v. 10.0) |
cpe:/o:redhat:enterprise_linux_eus:10.0 |
|
| Red Hat | Red Hat Enterprise Linux BaseOS (v. 10) |
cpe:/o:redhat:enterprise_linux:10.2 |
|
| Red Hat | Red Hat Enterprise Linux BaseOS (v. 8) |
cpe:/o:redhat:enterprise_linux:8::baseos |
|
| Red Hat | Red Hat Enterprise Linux BaseOS AUS (v.8.4) |
cpe:/o:redhat:rhel_aus:8.4::baseos |
|
| Red Hat | Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.4) |
cpe:/o:redhat:rhel_eus_long_life:8.4::baseos |
|
| Red Hat | Red Hat Enterprise Linux BaseOS AUS (v.8.6) |
cpe:/o:redhat:rhel_aus:8.6::baseos |
|
| Red Hat | Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.6) |
cpe:/o:redhat:rhel_eus_long_life:8.6::baseos |
|
| Red Hat | Red Hat Enterprise Linux BaseOS E4S (v.8.8) |
cpe:/o:redhat:rhel_e4s:8.8::baseos |
|
| Red Hat | Red Hat Enterprise Linux BaseOS TUS (v.8.8) |
cpe:/o:redhat:rhel_tus:8.8::baseos |
|
| Red Hat | Red Hat Enterprise Linux BaseOS E4S (v.9.2) |
cpe:/o:redhat:rhel_e4s:9.2::baseos |
|
| Red Hat | Red Hat Enterprise Linux BaseOS E4S (v.9.4) |
cpe:/o:redhat:rhel_e4s:9.4::baseos |
|
| Red Hat | Red Hat Enterprise Linux BaseOS EUS (v.9.6) |
cpe:/o:redhat:rhel_eus:9.6::baseos |
|
| Red Hat | Red Hat Enterprise Linux BaseOS (v. 9) |
cpe:/o:redhat:enterprise_linux:9::baseos |
|
| Red Hat | Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0) |
cpe:/o:redhat:enterprise_linux_eus:10.0 |
|
| Red Hat | Red Hat Enterprise Linux CodeReady Linux Builder (v. 10) |
cpe:/o:redhat:enterprise_linux:10.2 |
|
| Red Hat | Red Hat Enterprise Linux CRB (v. 8) |
cpe:/a:redhat:enterprise_linux:8::crb |
|
| Red Hat | Red Hat CodeReady Linux Builder EUS (v.9.6) |
cpe:/a:redhat:rhel_eus:9.6::crb |
|
| Red Hat | Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) |
cpe:/a:redhat:enterprise_linux:9::crb |
|
| Red Hat | Red Hat Enterprise Linux Real Time for NFV EUS (v. 10.0) |
cpe:/o:redhat:enterprise_linux_eus:10.0 |
|
| Red Hat | Red Hat Enterprise Linux Real Time for NFV (v. 10) |
cpe:/o:redhat:enterprise_linux:10.2 |
|
| Red Hat | Red Hat Enterprise Linux NFV (v. 8) |
cpe:/a:redhat:enterprise_linux:8::nfv |
|
| Red Hat | Red Hat Enterprise Linux Real Time for NFV E4S (v.9.2) |
cpe:/a:redhat:rhel_e4s:9.2::nfv |
|
| Red Hat | Red Hat Enterprise Linux Real Time for NFV E4S (v.9.4) |
cpe:/a:redhat:rhel_e4s:9.4::nfv |
|
| Red Hat | Red Hat Enterprise Linux Real Time for NFV EUS (v.9.6) |
cpe:/a:redhat:rhel_eus:9.6::nfv |
|
| Red Hat | Red Hat Enterprise Linux Real Time for NFV (v. 9) |
cpe:/a:redhat:enterprise_linux:9::nfv |
|
| Red Hat | Red Hat Enterprise Linux Real Time EUS (v. 10.0) |
cpe:/o:redhat:enterprise_linux_eus:10.0 |
|
| Red Hat | Red Hat Enterprise Linux Real Time (v. 10) |
cpe:/o:redhat:enterprise_linux:10.2 |
|
| Red Hat | Red Hat Enterprise Linux RT (v. 8) |
cpe:/a:redhat:enterprise_linux:8::realtime |
|
| Red Hat | Red Hat Enterprise Linux Real Time E4S (v.9.2) |
cpe:/a:redhat:rhel_e4s:9.2::realtime |
|
| Red Hat | Red Hat Enterprise Linux Real Time E4S (v.9.4) |
cpe:/a:redhat:rhel_e4s:9.4::realtime |
|
| Red Hat | Red Hat Enterprise Linux Real Time EUS (v.9.6) |
cpe:/a:redhat:rhel_eus:9.6::realtime |
|
| Red Hat | Red Hat Enterprise Linux Real Time (v. 9) |
cpe:/a:redhat:enterprise_linux:9::realtime |
|
| Red Hat | Red Hat Enterprise Linux 7 |
cpe:/o:redhat:enterprise_linux:7 |
|
| Red Hat | Red Hat Enterprise Linux 9 |
cpe:/o:redhat:enterprise_linux:9 |
|
| Red Hat | Red Hat Enterprise Linux 10 |
cpe:/o:redhat:enterprise_linux:10 |
{
"containers": {
"adp": [
{
"affected": [
{
"cpes": [
"cpe:/a:redhat:enterprise_linux_nvidia:10::el10"
],
"defaultStatus": "affected",
"product": "NVIDIA for RHEL 10",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/o:redhat:rhel_els:6"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux Server -EXTENSION(v. 6 ELS-EXTENSION)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/o:redhat:rhel_els:6"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux Server Optional -EXTENSION (v. 6 ELS -EXTENSION)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/o:redhat:rhel_els:7"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux Server (v. 7 ELS)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/o:redhat:rhel_els:7"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux Server Optional (v. 7 ELS)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/a:redhat:openshift:4.12::el8"
],
"defaultStatus": "affected",
"product": "Red Hat OpenShift Container Platform 4.12",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/a:redhat:openshift:4.13::el9"
],
"defaultStatus": "affected",
"product": "Red Hat OpenShift Container Platform 4.13",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/a:redhat:openshift:4.18::el9"
],
"defaultStatus": "affected",
"product": "Red Hat OpenShift Container Platform 4.18",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/a:redhat:openshift:4.19::el9"
],
"defaultStatus": "affected",
"product": "Red Hat OpenShift Container Platform 4.19",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/a:redhat:openshift:4.20::el9"
],
"defaultStatus": "affected",
"product": "Red Hat OpenShift Container Platform 4.20",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/a:redhat:openshift:4.21::el9"
],
"defaultStatus": "affected",
"product": "Red Hat OpenShift Container Platform 4.21",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/o:redhat:enterprise_linux_eus:10.0"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux AppStream EUS (v. 10.0)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/o:redhat:enterprise_linux:10.2"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux AppStream (v. 10)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/a:redhat:rhel_e4s:9.2::appstream"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux AppStream E4S (v.9.2)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/a:redhat:rhel_e4s:9.4::appstream"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux AppStream E4S (v.9.4)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/a:redhat:rhel_eus:9.6::appstream"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux AppStream EUS (v.9.6)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/a:redhat:enterprise_linux:9::appstream"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux AppStream (v. 9)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/o:redhat:enterprise_linux_eus:10.0"
],
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CVE-2026-43056 (GCVE-0-2026-43056)
Vulnerability from cvelistv5 – Published: 2026-05-01 14:15 – Updated: 2026-05-11 22:16
VLAI
EPSS
Title
net: mana: fix use-after-free in add_adev() error path
Summary
In the Linux kernel, the following vulnerability has been resolved:
net: mana: fix use-after-free in add_adev() error path
If auxiliary_device_add() fails, add_adev() jumps to add_fail and calls
auxiliary_device_uninit(adev).
The auxiliary device has its release callback set to adev_release(),
which frees the containing struct mana_adev. Since adev is embedded in
struct mana_adev, the subsequent fall-through to init_fail and access
to adev->id may result in a use-after-free.
Fix this by saving the allocated auxiliary device id in a local
variable before calling auxiliary_device_add(), and use that saved id
in the cleanup path after auxiliary_device_uninit().
Severity
7.8 (High)
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
a69839d4327d053b18d8e1b0e7ddeee78db78f4f , < d88541ffd56d62a61e77209080001eddd4d69815
(git)
Affected: a69839d4327d053b18d8e1b0e7ddeee78db78f4f , < 43f5b19fd190fea20d052bc84741b28031d5baa9 (git) Affected: a69839d4327d053b18d8e1b0e7ddeee78db78f4f , < 5f4061f8225d18695e5afe9bbf1cb7bd673d7872 (git) Affected: a69839d4327d053b18d8e1b0e7ddeee78db78f4f , < e5a75bf026c686b91a7dc6f9c5caf5016745d1fe (git) Affected: a69839d4327d053b18d8e1b0e7ddeee78db78f4f , < c4ea7d8907cf72b259bf70bd8c2e791e1c4ff70f (git) |
|
| Linux | Linux |
Affected:
6.2
Unaffected: 0 , < 6.2 (semver) Unaffected: 6.6.134 , ≤ 6.6.* (semver) Unaffected: 6.12.81 , ≤ 6.12.* (semver) Unaffected: 6.18.22 , ≤ 6.18.* (semver) Unaffected: 6.19.12 , ≤ 6.19.* (semver) Unaffected: 7.0 , ≤ * (original_commit_for_fix) |
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CVE-2026-43116 (GCVE-0-2026-43116)
Vulnerability from cvelistv5 – Published: 2026-05-06 07:40 – Updated: 2026-06-19 11:58
VLAI
EPSS
Title
netfilter: ctnetlink: ensure safe access to master conntrack
Summary
In the Linux kernel, the following vulnerability has been resolved:
netfilter: ctnetlink: ensure safe access to master conntrack
Holding reference on the expectation is not sufficient, the master
conntrack object can just go away, making exp->master invalid.
To access exp->master safely:
- Grab the nf_conntrack_expect_lock, this gets serialized with
clean_from_lists() which also holds this lock when the master
conntrack goes away.
- Hold reference on master conntrack via nf_conntrack_find_get().
Not so easy since the master tuple to look up for the master conntrack
is not available in the existing problematic paths.
This patch goes for extending the nf_conntrack_expect_lock section
to address this issue for simplicity, in the cases that are described
below this is just slightly extending the lock section.
The add expectation command already holds a reference to the master
conntrack from ctnetlink_create_expect().
However, the delete expectation command needs to grab the spinlock
before looking up for the expectation. Expand the existing spinlock
section to address this to cover the expectation lookup. Note that,
the nf_ct_expect_iterate_net() calls already grabs the spinlock while
iterating over the expectation table, which is correct.
The get expectation command needs to grab the spinlock to ensure master
conntrack does not go away. This also expands the existing spinlock
section to cover the expectation lookup too. I needed to move the
netlink skb allocation out of the spinlock to keep it GFP_KERNEL.
For the expectation events, the IPEXP_DESTROY event is already delivered
under the spinlock, just move the delivery of IPEXP_NEW under the
spinlock too because the master conntrack event cache is reached through
exp->master.
While at it, add lockdep notations to help identify what codepaths need
to grab the spinlock.
Severity
7.8 (High)
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://git.kernel.org/stable/c/9e1196d27ef496f40… | |
| https://git.kernel.org/stable/c/5e1c1d22268ae710c… | |
| https://git.kernel.org/stable/c/d52fa1fa7440676b8… | |
| https://git.kernel.org/stable/c/f338ced0473849c9f… | |
| https://git.kernel.org/stable/c/497f99b26fffdc563… | |
| https://git.kernel.org/stable/c/bffcaad9afdfe45d7… |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
c1d10adb4a521de5760112853f42aaeefcec96eb , < 9e1196d27ef496f404c76f7a9d03761142d991c4
(git)
Affected: c1d10adb4a521de5760112853f42aaeefcec96eb , < 5e1c1d22268ae710c238342c8030c21daf298168 (git) Affected: c1d10adb4a521de5760112853f42aaeefcec96eb , < d52fa1fa7440676b8c238037a050ab008c22737f (git) Affected: c1d10adb4a521de5760112853f42aaeefcec96eb , < f338ced0473849c9f6ed0b77ca99f1aab5826787 (git) Affected: c1d10adb4a521de5760112853f42aaeefcec96eb , < 497f99b26fffdc5635706d1b4811f1ed8ee21a5b (git) Affected: c1d10adb4a521de5760112853f42aaeefcec96eb , < bffcaad9afdfe45d7fc777397d3b83c1e3ebffe5 (git) |
|
| Linux | Linux |
Affected:
2.6.16
Unaffected: 0 , < 2.6.16 (semver) Unaffected: 6.1.176 , ≤ 6.1.* (semver) Unaffected: 6.6.143 , ≤ 6.6.* (semver) Unaffected: 6.12.94 , ≤ 6.12.* (semver) Unaffected: 6.18.24 , ≤ 6.18.* (semver) Unaffected: 6.19.14 , ≤ 6.19.* (semver) Unaffected: 7.0 , ≤ * (original_commit_for_fix) |
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CVE-2026-43125 (GCVE-0-2026-43125)
Vulnerability from cvelistv5 – Published: 2026-05-06 11:27 – Updated: 2026-05-11 22:18
VLAI
EPSS
Title
dlm: validate length in dlm_search_rsb_tree
Summary
In the Linux kernel, the following vulnerability has been resolved:
dlm: validate length in dlm_search_rsb_tree
The len parameter in dlm_dump_rsb_name() is not validated and comes
from network messages. When it exceeds DLM_RESNAME_MAXLEN, it can
cause out-of-bounds write in dlm_search_rsb_tree().
Add length validation to prevent potential buffer overflow.
Severity
9.8 (Critical)
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
7210cb7a72a22303cdb225bd1aea28697a17bbae , < 67288113c5e6cf9e659b4065c0ed6f16100e0c71
(git)
Affected: 7210cb7a72a22303cdb225bd1aea28697a17bbae , < 082083c9fbd99422a0370fe2102144a231c9f5d6 (git) Affected: 7210cb7a72a22303cdb225bd1aea28697a17bbae , < 5f053a2e7209d326cbbc07738fa6d6893d307438 (git) Affected: 7210cb7a72a22303cdb225bd1aea28697a17bbae , < 080e5563f878c64e697b89e7439d730d0daad882 (git) |
|
| Linux | Linux |
Affected:
3.4
Unaffected: 0 , < 3.4 (semver) Unaffected: 6.12.75 , ≤ 6.12.* (semver) Unaffected: 6.18.16 , ≤ 6.18.* (semver) Unaffected: 6.19.6 , ≤ 6.19.* (semver) Unaffected: 7.0 , ≤ * (original_commit_for_fix) |
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CVE-2026-43501 (GCVE-0-2026-43501)
Vulnerability from cvelistv5 – Published: 2026-05-21 12:17 – Updated: 2026-06-14 17:45
VLAI
EPSS
Title
ipv6: rpl: reserve mac_len headroom when recompressed SRH grows
Summary
In the Linux kernel, the following vulnerability has been resolved:
ipv6: rpl: reserve mac_len headroom when recompressed SRH grows
ipv6_rpl_srh_rcv() decompresses an RFC 6554 Source Routing Header, swaps
the next segment into ipv6_hdr->daddr, recompresses, then pulls the old
header and pushes the new one plus the IPv6 header back. The
recompressed header can be larger than the received one when the swap
reduces the common-prefix length the segments share with daddr (CmprI=0,
CmprE>0, seg[0][0] != daddr[0] gives the maximum +8 bytes).
pskb_expand_head() was gated on segments_left == 0, so on earlier
segments the push consumed unchecked headroom. Once skb_push() leaves
fewer than skb->mac_len bytes in front of data,
skb_mac_header_rebuild()'s call to:
skb_set_mac_header(skb, -skb->mac_len);
will store (data - head) - mac_len into the u16 mac_header field, which
wraps to ~65530, and the following memmove() writes mac_len bytes ~64KiB
past skb->head.
A single AF_INET6/SOCK_RAW/IPV6_HDRINCL packet over lo with a two
segment type-3 SRH (CmprI=0, CmprE=15) reaches headroom 8 after one
pass; KASAN reports a 14-byte OOB write in ipv6_rthdr_rcv.
Fix this by expanding the head whenever the remaining room is less than
the push size plus mac_len, and request that much extra so the rebuilt
MAC header fits afterwards.
Severity
9.8 (Critical)
Assigner
References
8 references
| URL | Tags |
|---|---|
| https://git.kernel.org/stable/c/bde199c72d319a4e2… | |
| https://git.kernel.org/stable/c/be1fa0aa9b4fdd5a8… | |
| https://git.kernel.org/stable/c/0a9e8053f1f8a8e1b… | |
| https://git.kernel.org/stable/c/8e8be63465a5e8039… | |
| https://git.kernel.org/stable/c/4babc2d9fda2df438… | |
| https://git.kernel.org/stable/c/c261d07a80576dc8c… | |
| https://git.kernel.org/stable/c/7398ebefbfd4f8a31… | |
| https://git.kernel.org/stable/c/9e6bf146b55999a09… |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
8610c7c6e3bd647ff98d21c8bc0580e77bc2f8b3 , < bde199c72d319a4e207f88daabc888317504e2fb
(git)
Affected: 8610c7c6e3bd647ff98d21c8bc0580e77bc2f8b3 , < be1fa0aa9b4fdd5a8b7a61ba520a690a68391e6e (git) Affected: 8610c7c6e3bd647ff98d21c8bc0580e77bc2f8b3 , < 0a9e8053f1f8a8e1bfc1dd61ffe67be6c1180402 (git) Affected: 8610c7c6e3bd647ff98d21c8bc0580e77bc2f8b3 , < 8e8be63465a5e80394c70324603dfea1bfdad48f (git) Affected: 8610c7c6e3bd647ff98d21c8bc0580e77bc2f8b3 , < 4babc2d9fda2df43823b85d08a0180b68f1b0854 (git) Affected: 8610c7c6e3bd647ff98d21c8bc0580e77bc2f8b3 , < c261d07a80576dc8ccf394ef8f074f8c67a06b37 (git) Affected: 8610c7c6e3bd647ff98d21c8bc0580e77bc2f8b3 , < 7398ebefbfd4f8a31d4f665a4213302fa995494b (git) Affected: 8610c7c6e3bd647ff98d21c8bc0580e77bc2f8b3 , < 9e6bf146b55999a095bb14f73a843942456d1adc (git) |
|
| Linux | Linux |
Affected:
5.7
Unaffected: 0 , < 5.7 (semver) Unaffected: 5.10.258 , ≤ 5.10.* (semver) Unaffected: 5.15.209 , ≤ 5.15.* (semver) Unaffected: 6.1.175 , ≤ 6.1.* (semver) Unaffected: 6.6.140 , ≤ 6.6.* (semver) Unaffected: 6.12.86 , ≤ 6.12.* (semver) Unaffected: 6.18.27 , ≤ 6.18.* (semver) Unaffected: 7.0.4 , ≤ 7.0.* (semver) Unaffected: 7.1 , ≤ * (original_commit_for_fix) |
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"cveId": "CVE-2026-43501",
"datePublished": "2026-05-21T12:17:49.885Z",
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CVE-2026-45852 (GCVE-0-2026-45852)
Vulnerability from cvelistv5 – Published: 2026-05-27 12:15 – Updated: 2026-06-19 11:58
VLAI
EPSS
Title
RDMA/rxe: Fix double free in rxe_srq_from_init
Summary
In the Linux kernel, the following vulnerability has been resolved:
RDMA/rxe: Fix double free in rxe_srq_from_init
In rxe_srq_from_init(), the queue pointer 'q' is assigned to
'srq->rq.queue' before copying the SRQ number to user space.
If copy_to_user() fails, the function calls rxe_queue_cleanup()
to free the queue, but leaves the now-invalid pointer in
'srq->rq.queue'.
The caller of rxe_srq_from_init() (rxe_create_srq) eventually
calls rxe_srq_cleanup() upon receiving the error, which triggers
a second rxe_queue_cleanup() on the same memory, leading to a
double free.
The call trace looks like this:
kmem_cache_free+0x.../0x...
rxe_queue_cleanup+0x1a/0x30 [rdma_rxe]
rxe_srq_cleanup+0x42/0x60 [rdma_rxe]
rxe_elem_release+0x31/0x70 [rdma_rxe]
rxe_create_srq+0x12b/0x1a0 [rdma_rxe]
ib_create_srq_user+0x9a/0x150 [ib_core]
Fix this by moving 'srq->rq.queue = q' after copy_to_user.
Severity
7.8 (High)
Assigner
References
8 references
| URL | Tags |
|---|---|
| https://git.kernel.org/stable/c/b98ab5494dbd48652… | |
| https://git.kernel.org/stable/c/d493e0bfc748a520c… | |
| https://git.kernel.org/stable/c/9abff51163aa1bc27… | |
| https://git.kernel.org/stable/c/26793db60925df1e8… | |
| https://git.kernel.org/stable/c/ce6f8e007682f3782… | |
| https://git.kernel.org/stable/c/5c07aef09a121a4cd… | |
| https://git.kernel.org/stable/c/26a9cfe12f4ffdeaa… | |
| https://git.kernel.org/stable/c/0beefd0e15d962f49… |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
aae0484e15f062ad2c2502e68e15dfb8b8f84608 , < b98ab5494dbd48652561aa0b9c32f10500220745
(git)
Affected: aae0484e15f062ad2c2502e68e15dfb8b8f84608 , < d493e0bfc748a520c349d6c8791b262aa5ad2e4e (git) Affected: aae0484e15f062ad2c2502e68e15dfb8b8f84608 , < 9abff51163aa1bc275ec356f74fe976291860a7f (git) Affected: aae0484e15f062ad2c2502e68e15dfb8b8f84608 , < 26793db60925df1e88a29466813d586cbc190b8c (git) Affected: aae0484e15f062ad2c2502e68e15dfb8b8f84608 , < ce6f8e007682f378279d4cf83b240f12d52c723b (git) Affected: aae0484e15f062ad2c2502e68e15dfb8b8f84608 , < 5c07aef09a121a4cd622a71eb0753a9e135c84a8 (git) Affected: aae0484e15f062ad2c2502e68e15dfb8b8f84608 , < 26a9cfe12f4ffdeaa136f252478986fa5f397ddc (git) Affected: aae0484e15f062ad2c2502e68e15dfb8b8f84608 , < 0beefd0e15d962f497aad750b2d5e9c3570b66d1 (git) Affected: 350703fae672d4d649c3562c199eab5ec9dc7c79 (git) Affected: 4.19.86 , < 4.20 (semver) |
|
| Linux | Linux |
Affected:
4.20
Unaffected: 0 , < 4.20 (semver) Unaffected: 5.10.259 , ≤ 5.10.* (semver) Unaffected: 5.15.210 , ≤ 5.15.* (semver) Unaffected: 6.1.176 , ≤ 6.1.* (semver) Unaffected: 6.6.128 , ≤ 6.6.* (semver) Unaffected: 6.12.75 , ≤ 6.12.* (semver) Unaffected: 6.18.14 , ≤ 6.18.* (semver) Unaffected: 6.19.4 , ≤ 6.19.* (semver) Unaffected: 7.0 , ≤ * (original_commit_for_fix) |
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/rxe: Fix double free in rxe_srq_from_init\n\nIn rxe_srq_from_init(), the queue pointer \u0027q\u0027 is assigned to\n\u0027srq-\u003erq.queue\u0027 before copying the SRQ number to user space.\nIf copy_to_user() fails, the function calls rxe_queue_cleanup()\nto free the queue, but leaves the now-invalid pointer in\n\u0027srq-\u003erq.queue\u0027.\n\nThe caller of rxe_srq_from_init() (rxe_create_srq) eventually\ncalls rxe_srq_cleanup() upon receiving the error, which triggers\na second rxe_queue_cleanup() on the same memory, leading to a\ndouble free.\n\nThe call trace looks like this:\n kmem_cache_free+0x.../0x...\n rxe_queue_cleanup+0x1a/0x30 [rdma_rxe]\n rxe_srq_cleanup+0x42/0x60 [rdma_rxe]\n rxe_elem_release+0x31/0x70 [rdma_rxe]\n rxe_create_srq+0x12b/0x1a0 [rdma_rxe]\n ib_create_srq_user+0x9a/0x150 [ib_core]\n\nFix this by moving \u0027srq-\u003erq.queue = q\u0027 after copy_to_user."
}
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"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
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Trend slope:
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(linear fit over daily sighting counts)
Show additional events:
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Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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