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CERTFR-2025-AVI-0072
Vulnerability from certfr_avis
De multiples vulnérabilités ont été découvertes dans les produits Juniper Networks. Certaines d'entre elles permettent à un attaquant de provoquer une exécution de code arbitraire, une atteinte à la confidentialité des données et une atteinte à l'intégrité des données.
Solutions
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
Impacted products
| Vendor | Product | Description | ||
|---|---|---|---|---|
| Juniper Networks | Secure Analytics | Juniper Secure Analytics versions antérieures à 7.5.0 UP10 IF02 |
References
| Title | Publication Time | Tags | |||
|---|---|---|---|---|---|
|
|||||
{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [
{
"description": "Juniper Secure Analytics versions ant\u00e9rieures \u00e0 7.5.0 UP10 IF02",
"product": {
"name": "Secure Analytics",
"vendor": {
"name": "Juniper Networks",
"scada": false
}
}
}
],
"affected_systems_content": "",
"content": "## Solutions\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des correctifs (cf. section Documentation).",
"cves": [
{
"name": "CVE-2023-52471",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-52471"
},
{
"name": "CVE-2023-4692",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-4692"
},
{
"name": "CVE-2021-47304",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-47304"
},
{
"name": "CVE-2022-48632",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-48632"
},
{
"name": "CVE-2021-47284",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-47284"
},
{
"name": "CVE-2021-46939",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-46939"
},
{
"name": "CVE-2022-48743",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-48743"
},
{
"name": "CVE-2023-28746",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-28746"
},
{
"name": "CVE-2021-47461",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-47461"
},
{
"name": "CVE-2021-47579",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-47579"
},
{
"name": "CVE-2021-47373",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-47373"
},
{
"name": "CVE-2023-52469",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-52469"
},
{
"name": "CVE-2021-47468",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-47468"
},
{
"name": "CVE-2023-52451",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-52451"
},
{
"name": "CVE-2021-47624",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-47624"
},
{
"name": "CVE-2022-48757",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-48757"
},
{
"name": "CVE-2021-47018",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-47018"
},
{
"name": "CVE-2023-4693",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-4693"
},
{
"name": "CVE-2021-47408",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-47408"
},
{
"name": "CVE-2022-48747",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-48747"
},
{
"name": "CVE-2021-47491",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-47491"
},
{
"name": "CVE-2021-47548",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-47548"
},
{
"name": "CVE-2023-52463",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-52463"
},
{
"name": "CVE-2021-47257",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-47257"
}
],
"initial_release_date": "2025-01-27T00:00:00",
"last_revision_date": "2025-01-27T00:00:00",
"links": [],
"reference": "CERTFR-2025-AVI-0072",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2025-01-27T00:00:00.000000"
}
],
"risks": [
{
"description": "Atteinte \u00e0 l\u0027int\u00e9grit\u00e9 des donn\u00e9es"
},
{
"description": "Ex\u00e9cution de code arbitraire"
},
{
"description": "D\u00e9ni de service"
},
{
"description": "Contournement de la politique de s\u00e9curit\u00e9"
},
{
"description": "Atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es"
}
],
"summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans les produits Juniper Networks. Certaines d\u0027entre elles permettent \u00e0 un attaquant de provoquer une ex\u00e9cution de code arbitraire, une atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es et une atteinte \u00e0 l\u0027int\u00e9grit\u00e9 des donn\u00e9es.",
"title": "Multiples vuln\u00e9rabilit\u00e9s dans Juniper Secure Analytics",
"vendor_advisories": [
{
"published_at": "2025-01-24",
"title": "Bulletin de s\u00e9curit\u00e9 Juniper Networks JSA93839",
"url": "https://supportportal.juniper.net/s/article/On-Demand-JSA-Series-Multiple-vulnerabilities-resolved-in-Juniper-Secure-Analytics-in-7-5-0-UP10-IF02"
}
]
}
CVE-2021-47491 (GCVE-0-2021-47491)
Vulnerability from cvelistv5
Published
2024-05-22 08:19
Modified
2025-05-04 07:12
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
mm: khugepaged: skip huge page collapse for special files
The read-only THP for filesystems will collapse THP for files opened
readonly and mapped with VM_EXEC. The intended usecase is to avoid TLB
misses for large text segments. But it doesn't restrict the file types
so a THP could be collapsed for a non-regular file, for example, block
device, if it is opened readonly and mapped with EXEC permission. This
may cause bugs, like [1] and [2].
This is definitely not the intended usecase, so just collapse THP for
regular files in order to close the attack surface.
[shy828301@gmail.com: fix vm_file check [3]]
References
Impacted products
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CVE-2023-52451 (GCVE-0-2023-52451)
Vulnerability from cvelistv5
Published
2024-02-22 16:21
Modified
2025-05-04 07:36
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
powerpc/pseries/memhp: Fix access beyond end of drmem array
dlpar_memory_remove_by_index() may access beyond the bounds of the
drmem lmb array when the LMB lookup fails to match an entry with the
given DRC index. When the search fails, the cursor is left pointing to
&drmem_info->lmbs[drmem_info->n_lmbs], which is one element past the
last valid entry in the array. The debug message at the end of the
function then dereferences this pointer:
pr_debug("Failed to hot-remove memory at %llx\n",
lmb->base_addr);
This was found by inspection and confirmed with KASAN:
pseries-hotplug-mem: Attempting to hot-remove LMB, drc index 1234
==================================================================
BUG: KASAN: slab-out-of-bounds in dlpar_memory+0x298/0x1658
Read of size 8 at addr c000000364e97fd0 by task bash/949
dump_stack_lvl+0xa4/0xfc (unreliable)
print_report+0x214/0x63c
kasan_report+0x140/0x2e0
__asan_load8+0xa8/0xe0
dlpar_memory+0x298/0x1658
handle_dlpar_errorlog+0x130/0x1d0
dlpar_store+0x18c/0x3e0
kobj_attr_store+0x68/0xa0
sysfs_kf_write+0xc4/0x110
kernfs_fop_write_iter+0x26c/0x390
vfs_write+0x2d4/0x4e0
ksys_write+0xac/0x1a0
system_call_exception+0x268/0x530
system_call_vectored_common+0x15c/0x2ec
Allocated by task 1:
kasan_save_stack+0x48/0x80
kasan_set_track+0x34/0x50
kasan_save_alloc_info+0x34/0x50
__kasan_kmalloc+0xd0/0x120
__kmalloc+0x8c/0x320
kmalloc_array.constprop.0+0x48/0x5c
drmem_init+0x2a0/0x41c
do_one_initcall+0xe0/0x5c0
kernel_init_freeable+0x4ec/0x5a0
kernel_init+0x30/0x1e0
ret_from_kernel_user_thread+0x14/0x1c
The buggy address belongs to the object at c000000364e80000
which belongs to the cache kmalloc-128k of size 131072
The buggy address is located 0 bytes to the right of
allocated 98256-byte region [c000000364e80000, c000000364e97fd0)
==================================================================
pseries-hotplug-mem: Failed to hot-remove memory at 0
Log failed lookups with a separate message and dereference the
cursor only when it points to a valid entry.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 51925fb3c5c901aa06cdc853268a6e19e19bcdc7 Version: 51925fb3c5c901aa06cdc853268a6e19e19bcdc7 Version: 51925fb3c5c901aa06cdc853268a6e19e19bcdc7 Version: 51925fb3c5c901aa06cdc853268a6e19e19bcdc7 Version: 51925fb3c5c901aa06cdc853268a6e19e19bcdc7 Version: 51925fb3c5c901aa06cdc853268a6e19e19bcdc7 Version: 51925fb3c5c901aa06cdc853268a6e19e19bcdc7 Version: 51925fb3c5c901aa06cdc853268a6e19e19bcdc7 |
||
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CVE-2021-47304 (GCVE-0-2021-47304)
Vulnerability from cvelistv5
Published
2024-05-21 14:35
Modified
2025-05-04 07:08
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
tcp: fix tcp_init_transfer() to not reset icsk_ca_initialized
This commit fixes a bug (found by syzkaller) that could cause spurious
double-initializations for congestion control modules, which could cause
memory leaks or other problems for congestion control modules (like CDG)
that allocate memory in their init functions.
The buggy scenario constructed by syzkaller was something like:
(1) create a TCP socket
(2) initiate a TFO connect via sendto()
(3) while socket is in TCP_SYN_SENT, call setsockopt(TCP_CONGESTION),
which calls:
tcp_set_congestion_control() ->
tcp_reinit_congestion_control() ->
tcp_init_congestion_control()
(4) receive ACK, connection is established, call tcp_init_transfer(),
set icsk_ca_initialized=0 (without first calling cc->release()),
call tcp_init_congestion_control() again.
Note that in this sequence tcp_init_congestion_control() is called
twice without a cc->release() call in between. Thus, for CC modules
that allocate memory in their init() function, e.g, CDG, a memory leak
may occur. The syzkaller tool managed to find a reproducer that
triggered such a leak in CDG.
The bug was introduced when that commit 8919a9b31eb4 ("tcp: Only init
congestion control if not initialized already")
introduced icsk_ca_initialized and set icsk_ca_initialized to 0 in
tcp_init_transfer(), missing the possibility for a sequence like the
one above, where a process could call setsockopt(TCP_CONGESTION) in
state TCP_SYN_SENT (i.e. after the connect() or TFO open sendmsg()),
which would call tcp_init_congestion_control(). It did not intend to
reset any initialization that the user had already explicitly made;
it just missed the possibility of that particular sequence (which
syzkaller managed to find).
References
Impacted products
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CVE-2021-47624 (GCVE-0-2021-47624)
Vulnerability from cvelistv5
Published
2024-07-16 11:29
Modified
2025-05-21 08:31
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
net/sunrpc: fix reference count leaks in rpc_sysfs_xprt_state_change
The refcount leak issues take place in an error handling path. When the
3rd argument buf doesn't match with "offline", "online" or "remove", the
function simply returns -EINVAL and forgets to decrease the reference
count of a rpc_xprt object and a rpc_xprt_switch object increased by
rpc_sysfs_xprt_kobj_get_xprt() and
rpc_sysfs_xprt_kobj_get_xprt_switch(), causing reference count leaks of
both unused objects.
Fix this issue by jumping to the error handling path labelled with
out_put when buf matches none of "offline", "online" or "remove".
References
Impacted products
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CVE-2023-4693 (GCVE-0-2023-4693)
Vulnerability from cvelistv5
Published
2023-10-25 10:27
Modified
2025-09-02 15:17
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-125 - Out-of-bounds Read
Summary
An out-of-bounds read flaw was found on grub2's NTFS filesystem driver. This issue may allow a physically present attacker to present a specially crafted NTFS file system image to read arbitrary memory locations. A successful attack allows sensitive data cached in memory or EFI variable values to be leaked, presenting a high Confidentiality risk.
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux 8 |
Unaffected: 1:2.02-156.el8 < * cpe:/o:redhat:enterprise_linux:8::baseos |
||||||||||||
|
||||||||||||||
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CVE-2021-47373 (GCVE-0-2021-47373)
Vulnerability from cvelistv5
Published
2024-05-21 15:03
Modified
2025-05-04 07:09
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
irqchip/gic-v3-its: Fix potential VPE leak on error
In its_vpe_irq_domain_alloc, when its_vpe_init() returns an error,
there is an off-by-one in the number of VPEs to be freed.
Fix it by simply passing the number of VPEs allocated, which is the
index of the loop iterating over the VPEs.
[maz: fixed commit message]
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 7d75bbb4bc1ad90386776459d37e4ddfe605671e Version: 7d75bbb4bc1ad90386776459d37e4ddfe605671e Version: 7d75bbb4bc1ad90386776459d37e4ddfe605671e Version: 7d75bbb4bc1ad90386776459d37e4ddfe605671e Version: 7d75bbb4bc1ad90386776459d37e4ddfe605671e Version: 7d75bbb4bc1ad90386776459d37e4ddfe605671e |
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CVE-2023-52463 (GCVE-0-2023-52463)
Vulnerability from cvelistv5
Published
2024-02-23 14:46
Modified
2025-05-04 12:49
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
efivarfs: force RO when remounting if SetVariable is not supported
If SetVariable at runtime is not supported by the firmware we never assign
a callback for that function. At the same time mount the efivarfs as
RO so no one can call that. However, we never check the permission flags
when someone remounts the filesystem as RW. As a result this leads to a
crash looking like this:
$ mount -o remount,rw /sys/firmware/efi/efivars
$ efi-updatevar -f PK.auth PK
[ 303.279166] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000
[ 303.280482] Mem abort info:
[ 303.280854] ESR = 0x0000000086000004
[ 303.281338] EC = 0x21: IABT (current EL), IL = 32 bits
[ 303.282016] SET = 0, FnV = 0
[ 303.282414] EA = 0, S1PTW = 0
[ 303.282821] FSC = 0x04: level 0 translation fault
[ 303.283771] user pgtable: 4k pages, 48-bit VAs, pgdp=000000004258c000
[ 303.284913] [0000000000000000] pgd=0000000000000000, p4d=0000000000000000
[ 303.286076] Internal error: Oops: 0000000086000004 [#1] PREEMPT SMP
[ 303.286936] Modules linked in: qrtr tpm_tis tpm_tis_core crct10dif_ce arm_smccc_trng rng_core drm fuse ip_tables x_tables ipv6
[ 303.288586] CPU: 1 PID: 755 Comm: efi-updatevar Not tainted 6.3.0-rc1-00108-gc7d0c4695c68 #1
[ 303.289748] Hardware name: Unknown Unknown Product/Unknown Product, BIOS 2023.04-00627-g88336918701d 04/01/2023
[ 303.291150] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[ 303.292123] pc : 0x0
[ 303.292443] lr : efivar_set_variable_locked+0x74/0xec
[ 303.293156] sp : ffff800008673c10
[ 303.293619] x29: ffff800008673c10 x28: ffff0000037e8000 x27: 0000000000000000
[ 303.294592] x26: 0000000000000800 x25: ffff000002467400 x24: 0000000000000027
[ 303.295572] x23: ffffd49ea9832000 x22: ffff0000020c9800 x21: ffff000002467000
[ 303.296566] x20: 0000000000000001 x19: 00000000000007fc x18: 0000000000000000
[ 303.297531] x17: 0000000000000000 x16: 0000000000000000 x15: 0000aaaac807ab54
[ 303.298495] x14: ed37489f673633c0 x13: 71c45c606de13f80 x12: 47464259e219acf4
[ 303.299453] x11: ffff000002af7b01 x10: 0000000000000003 x9 : 0000000000000002
[ 303.300431] x8 : 0000000000000010 x7 : ffffd49ea8973230 x6 : 0000000000a85201
[ 303.301412] x5 : 0000000000000000 x4 : ffff0000020c9800 x3 : 00000000000007fc
[ 303.302370] x2 : 0000000000000027 x1 : ffff000002467400 x0 : ffff000002467000
[ 303.303341] Call trace:
[ 303.303679] 0x0
[ 303.303938] efivar_entry_set_get_size+0x98/0x16c
[ 303.304585] efivarfs_file_write+0xd0/0x1a4
[ 303.305148] vfs_write+0xc4/0x2e4
[ 303.305601] ksys_write+0x70/0x104
[ 303.306073] __arm64_sys_write+0x1c/0x28
[ 303.306622] invoke_syscall+0x48/0x114
[ 303.307156] el0_svc_common.constprop.0+0x44/0xec
[ 303.307803] do_el0_svc+0x38/0x98
[ 303.308268] el0_svc+0x2c/0x84
[ 303.308702] el0t_64_sync_handler+0xf4/0x120
[ 303.309293] el0t_64_sync+0x190/0x194
[ 303.309794] Code: ???????? ???????? ???????? ???????? (????????)
[ 303.310612] ---[ end trace 0000000000000000 ]---
Fix this by adding a .reconfigure() function to the fs operations which
we can use to check the requested flags and deny anything that's not RO
if the firmware doesn't implement SetVariable at runtime.
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: f88814cc2578c121e6edef686365036db72af0ed Version: f88814cc2578c121e6edef686365036db72af0ed Version: f88814cc2578c121e6edef686365036db72af0ed Version: f88814cc2578c121e6edef686365036db72af0ed Version: f88814cc2578c121e6edef686365036db72af0ed Version: f88814cc2578c121e6edef686365036db72af0ed Version: 552952e51fad35670459674bcb8a03bd96fe4646 |
||
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nefivarfs: force RO when remounting if SetVariable is not supported\n\nIf SetVariable at runtime is not supported by the firmware we never assign\na callback for that function. At the same time mount the efivarfs as\nRO so no one can call that. However, we never check the permission flags\nwhen someone remounts the filesystem as RW. As a result this leads to a\ncrash looking like this:\n\n$ mount -o remount,rw /sys/firmware/efi/efivars\n$ efi-updatevar -f PK.auth PK\n\n[ 303.279166] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000\n[ 303.280482] Mem abort info:\n[ 303.280854] ESR = 0x0000000086000004\n[ 303.281338] EC = 0x21: IABT (current EL), IL = 32 bits\n[ 303.282016] SET = 0, FnV = 0\n[ 303.282414] EA = 0, S1PTW = 0\n[ 303.282821] FSC = 0x04: level 0 translation fault\n[ 303.283771] user pgtable: 4k pages, 48-bit VAs, pgdp=000000004258c000\n[ 303.284913] [0000000000000000] pgd=0000000000000000, p4d=0000000000000000\n[ 303.286076] Internal error: Oops: 0000000086000004 [#1] PREEMPT SMP\n[ 303.286936] Modules linked in: qrtr tpm_tis tpm_tis_core crct10dif_ce arm_smccc_trng rng_core drm fuse ip_tables x_tables ipv6\n[ 303.288586] CPU: 1 PID: 755 Comm: efi-updatevar Not tainted 6.3.0-rc1-00108-gc7d0c4695c68 #1\n[ 303.289748] Hardware name: Unknown Unknown Product/Unknown Product, BIOS 2023.04-00627-g88336918701d 04/01/2023\n[ 303.291150] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)\n[ 303.292123] pc : 0x0\n[ 303.292443] lr : efivar_set_variable_locked+0x74/0xec\n[ 303.293156] sp : ffff800008673c10\n[ 303.293619] x29: ffff800008673c10 x28: ffff0000037e8000 x27: 0000000000000000\n[ 303.294592] x26: 0000000000000800 x25: ffff000002467400 x24: 0000000000000027\n[ 303.295572] x23: ffffd49ea9832000 x22: ffff0000020c9800 x21: ffff000002467000\n[ 303.296566] x20: 0000000000000001 x19: 00000000000007fc x18: 0000000000000000\n[ 303.297531] x17: 0000000000000000 x16: 0000000000000000 x15: 0000aaaac807ab54\n[ 303.298495] x14: ed37489f673633c0 x13: 71c45c606de13f80 x12: 47464259e219acf4\n[ 303.299453] x11: ffff000002af7b01 x10: 0000000000000003 x9 : 0000000000000002\n[ 303.300431] x8 : 0000000000000010 x7 : ffffd49ea8973230 x6 : 0000000000a85201\n[ 303.301412] x5 : 0000000000000000 x4 : ffff0000020c9800 x3 : 00000000000007fc\n[ 303.302370] x2 : 0000000000000027 x1 : ffff000002467400 x0 : ffff000002467000\n[ 303.303341] Call trace:\n[ 303.303679] 0x0\n[ 303.303938] efivar_entry_set_get_size+0x98/0x16c\n[ 303.304585] efivarfs_file_write+0xd0/0x1a4\n[ 303.305148] vfs_write+0xc4/0x2e4\n[ 303.305601] ksys_write+0x70/0x104\n[ 303.306073] __arm64_sys_write+0x1c/0x28\n[ 303.306622] invoke_syscall+0x48/0x114\n[ 303.307156] el0_svc_common.constprop.0+0x44/0xec\n[ 303.307803] do_el0_svc+0x38/0x98\n[ 303.308268] el0_svc+0x2c/0x84\n[ 303.308702] el0t_64_sync_handler+0xf4/0x120\n[ 303.309293] el0t_64_sync+0x190/0x194\n[ 303.309794] Code: ???????? ???????? ???????? ???????? (????????)\n[ 303.310612] ---[ end trace 0000000000000000 ]---\n\nFix this by adding a .reconfigure() function to the fs operations which\nwe can use to check the requested flags and deny anything that\u0027s not RO\nif the firmware doesn\u0027t implement SetVariable at runtime."
}
],
"providerMetadata": {
"dateUpdated": "2025-05-04T12:49:04.560Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
},
"references": [
{
"url": "https://git.kernel.org/stable/c/94c742324ed7e42c5bd6a9ed22e4ec6d764db4d8"
},
{
"url": "https://git.kernel.org/stable/c/2aa141f8bc580f8f9811dfe4e0e6009812b73826"
},
{
"url": "https://git.kernel.org/stable/c/d4a9aa7db574a0da64307729cc031fb68597aa8b"
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"url": "https://git.kernel.org/stable/c/0049fe7e4a85849bdd778cdb72e51a791ff3d737"
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{
"url": "https://git.kernel.org/stable/c/0e8d2444168dd519fea501599d150e62718ed2fe"
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"title": "efivarfs: force RO when remounting if SetVariable is not supported",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2023-52463",
"datePublished": "2024-02-23T14:46:23.537Z",
"dateReserved": "2024-02-20T12:30:33.296Z",
"dateUpdated": "2025-05-04T12:49:04.560Z",
"state": "PUBLISHED"
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"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
CVE-2021-47284 (GCVE-0-2021-47284)
Vulnerability from cvelistv5
Published
2024-05-21 14:20
Modified
2025-05-04 07:07
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
isdn: mISDN: netjet: Fix crash in nj_probe:
'nj_setup' in netjet.c might fail with -EIO and in this case
'card->irq' is initialized and is bigger than zero. A subsequent call to
'nj_release' will free the irq that has not been requested.
Fix this bug by deleting the previous assignment to 'card->irq' and just
keep the assignment before 'request_irq'.
The KASAN's log reveals it:
[ 3.354615 ] WARNING: CPU: 0 PID: 1 at kernel/irq/manage.c:1826
free_irq+0x100/0x480
[ 3.355112 ] Modules linked in:
[ 3.355310 ] CPU: 0 PID: 1 Comm: swapper/0 Not tainted
5.13.0-rc1-00144-g25a1298726e #13
[ 3.355816 ] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS
rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014
[ 3.356552 ] RIP: 0010:free_irq+0x100/0x480
[ 3.356820 ] Code: 6e 08 74 6f 4d 89 f4 e8 5e ac 09 00 4d 8b 74 24 18
4d 85 f6 75 e3 e8 4f ac 09 00 8b 75 c8 48 c7 c7 78 c1 2e 85 e8 e0 cf f5
ff <0f> 0b 48 8b 75 c0 4c 89 ff e8 72 33 0b 03 48 8b 43 40 4c 8b a0 80
[ 3.358012 ] RSP: 0000:ffffc90000017b48 EFLAGS: 00010082
[ 3.358357 ] RAX: 0000000000000000 RBX: ffff888104dc8000 RCX:
0000000000000000
[ 3.358814 ] RDX: ffff8881003c8000 RSI: ffffffff8124a9e6 RDI:
00000000ffffffff
[ 3.359272 ] RBP: ffffc90000017b88 R08: 0000000000000000 R09:
0000000000000000
[ 3.359732 ] R10: ffffc900000179f0 R11: 0000000000001d04 R12:
0000000000000000
[ 3.360195 ] R13: ffff888107dc6000 R14: ffff888107dc6928 R15:
ffff888104dc80a8
[ 3.360652 ] FS: 0000000000000000(0000) GS:ffff88817bc00000(0000)
knlGS:0000000000000000
[ 3.361170 ] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3.361538 ] CR2: 0000000000000000 CR3: 000000000582e000 CR4:
00000000000006f0
[ 3.362003 ] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
0000000000000000
[ 3.362175 ] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7:
0000000000000400
[ 3.362175 ] Call Trace:
[ 3.362175 ] nj_release+0x51/0x1e0
[ 3.362175 ] nj_probe+0x450/0x950
[ 3.362175 ] ? pci_device_remove+0x110/0x110
[ 3.362175 ] local_pci_probe+0x45/0xa0
[ 3.362175 ] pci_device_probe+0x12b/0x1d0
[ 3.362175 ] really_probe+0x2a9/0x610
[ 3.362175 ] driver_probe_device+0x90/0x1d0
[ 3.362175 ] ? mutex_lock_nested+0x1b/0x20
[ 3.362175 ] device_driver_attach+0x68/0x70
[ 3.362175 ] __driver_attach+0x124/0x1b0
[ 3.362175 ] ? device_driver_attach+0x70/0x70
[ 3.362175 ] bus_for_each_dev+0xbb/0x110
[ 3.362175 ] ? rdinit_setup+0x45/0x45
[ 3.362175 ] driver_attach+0x27/0x30
[ 3.362175 ] bus_add_driver+0x1eb/0x2a0
[ 3.362175 ] driver_register+0xa9/0x180
[ 3.362175 ] __pci_register_driver+0x82/0x90
[ 3.362175 ] ? w6692_init+0x38/0x38
[ 3.362175 ] nj_init+0x36/0x38
[ 3.362175 ] do_one_initcall+0x7f/0x3d0
[ 3.362175 ] ? rdinit_setup+0x45/0x45
[ 3.362175 ] ? rcu_read_lock_sched_held+0x4f/0x80
[ 3.362175 ] kernel_init_freeable+0x2aa/0x301
[ 3.362175 ] ? rest_init+0x2c0/0x2c0
[ 3.362175 ] kernel_init+0x18/0x190
[ 3.362175 ] ? rest_init+0x2c0/0x2c0
[ 3.362175 ] ? rest_init+0x2c0/0x2c0
[ 3.362175 ] ret_from_fork+0x1f/0x30
[ 3.362175 ] Kernel panic - not syncing: panic_on_warn set ...
[ 3.362175 ] CPU: 0 PID: 1 Comm: swapper/0 Not tainted
5.13.0-rc1-00144-g25a1298726e #13
[ 3.362175 ] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS
rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014
[ 3.362175 ] Call Trace:
[ 3.362175 ] dump_stack+0xba/0xf5
[ 3.362175 ] ? free_irq+0x100/0x480
[ 3.362175 ] panic+0x15a/0x3f2
[ 3.362175 ] ? __warn+0xf2/0x150
[ 3.362175 ] ? free_irq+0x100/0x480
[ 3.362175 ] __warn+0x108/0x150
[ 3.362175 ] ? free_irq+0x100/0x480
[ 3.362175 ] report_bug+0x119/0x1c0
[ 3.362175 ] handle_bug+0x3b/0x80
[ 3.362175 ] exc_invalid_op+0x18/0x70
[ 3.362175 ] asm_exc_invalid_op+0x12/0x20
[ 3.362175 ] RIP: 0010:free_irq+0x100
---truncated---
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 |
||
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CVE-2021-47548 (GCVE-0-2021-47548)
Vulnerability from cvelistv5
Published
2024-05-24 15:09
Modified
2025-05-04 07:13
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ethernet: hisilicon: hns: hns_dsaf_misc: fix a possible array overflow in hns_dsaf_ge_srst_by_port()
The if statement:
if (port >= DSAF_GE_NUM)
return;
limits the value of port less than DSAF_GE_NUM (i.e., 8).
However, if the value of port is 6 or 7, an array overflow could occur:
port_rst_off = dsaf_dev->mac_cb[port]->port_rst_off;
because the length of dsaf_dev->mac_cb is DSAF_MAX_PORT_NUM (i.e., 6).
To fix this possible array overflow, we first check port and if it is
greater than or equal to DSAF_MAX_PORT_NUM, the function returns.
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 |
||
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CVE-2021-47468 (GCVE-0-2021-47468)
Vulnerability from cvelistv5
Published
2024-05-22 06:23
Modified
2025-05-04 07:11
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
isdn: mISDN: Fix sleeping function called from invalid context
The driver can call card->isac.release() function from an atomic
context.
Fix this by calling this function after releasing the lock.
The following log reveals it:
[ 44.168226 ] BUG: sleeping function called from invalid context at kernel/workqueue.c:3018
[ 44.168941 ] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 5475, name: modprobe
[ 44.169574 ] INFO: lockdep is turned off.
[ 44.169899 ] irq event stamp: 0
[ 44.170160 ] hardirqs last enabled at (0): [<0000000000000000>] 0x0
[ 44.170627 ] hardirqs last disabled at (0): [<ffffffff814209ed>] copy_process+0x132d/0x3e00
[ 44.171240 ] softirqs last enabled at (0): [<ffffffff81420a1a>] copy_process+0x135a/0x3e00
[ 44.171852 ] softirqs last disabled at (0): [<0000000000000000>] 0x0
[ 44.172318 ] Preemption disabled at:
[ 44.172320 ] [<ffffffffa009b0a9>] nj_release+0x69/0x500 [netjet]
[ 44.174441 ] Call Trace:
[ 44.174630 ] dump_stack_lvl+0xa8/0xd1
[ 44.174912 ] dump_stack+0x15/0x17
[ 44.175166 ] ___might_sleep+0x3a2/0x510
[ 44.175459 ] ? nj_release+0x69/0x500 [netjet]
[ 44.175791 ] __might_sleep+0x82/0xe0
[ 44.176063 ] ? start_flush_work+0x20/0x7b0
[ 44.176375 ] start_flush_work+0x33/0x7b0
[ 44.176672 ] ? trace_irq_enable_rcuidle+0x85/0x170
[ 44.177034 ] ? kasan_quarantine_put+0xaa/0x1f0
[ 44.177372 ] ? kasan_quarantine_put+0xaa/0x1f0
[ 44.177711 ] __flush_work+0x11a/0x1a0
[ 44.177991 ] ? flush_work+0x20/0x20
[ 44.178257 ] ? lock_release+0x13c/0x8f0
[ 44.178550 ] ? __kasan_check_write+0x14/0x20
[ 44.178872 ] ? do_raw_spin_lock+0x148/0x360
[ 44.179187 ] ? read_lock_is_recursive+0x20/0x20
[ 44.179530 ] ? __kasan_check_read+0x11/0x20
[ 44.179846 ] ? do_raw_spin_unlock+0x55/0x900
[ 44.180168 ] ? ____kasan_slab_free+0x116/0x140
[ 44.180505 ] ? _raw_spin_unlock_irqrestore+0x41/0x60
[ 44.180878 ] ? skb_queue_purge+0x1a3/0x1c0
[ 44.181189 ] ? kfree+0x13e/0x290
[ 44.181438 ] flush_work+0x17/0x20
[ 44.181695 ] mISDN_freedchannel+0xe8/0x100
[ 44.182006 ] isac_release+0x210/0x260 [mISDNipac]
[ 44.182366 ] nj_release+0xf6/0x500 [netjet]
[ 44.182685 ] nj_remove+0x48/0x70 [netjet]
[ 44.182989 ] pci_device_remove+0xa9/0x250
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 |
||
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CVE-2021-47257 (GCVE-0-2021-47257)
Vulnerability from cvelistv5
Published
2024-05-21 14:19
Modified
2025-05-04 07:07
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
net: ieee802154: fix null deref in parse dev addr
Fix a logic error that could result in a null deref if the user sets
the mode incorrectly for the given addr type.
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 |
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CVE-2022-48747 (GCVE-0-2022-48747)
Vulnerability from cvelistv5
Published
2024-06-20 11:13
Modified
2025-05-22 13:28
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
block: Fix wrong offset in bio_truncate()
bio_truncate() clears the buffer outside of last block of bdev, however
current bio_truncate() is using the wrong offset of page. So it can
return the uninitialized data.
This happened when both of truncated/corrupted FS and userspace (via
bdev) are trying to read the last of bdev.
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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CVE-2022-48757 (GCVE-0-2022-48757)
Vulnerability from cvelistv5
Published
2024-06-20 11:13
Modified
2025-05-04 08:22
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
net: fix information leakage in /proc/net/ptype
In one net namespace, after creating a packet socket without binding
it to a device, users in other net namespaces can observe the new
`packet_type` added by this packet socket by reading `/proc/net/ptype`
file. This is minor information leakage as packet socket is
namespace aware.
Add a net pointer in `packet_type` to keep the net namespace of
of corresponding packet socket. In `ptype_seq_show`, this net pointer
must be checked when it is not NULL.
References
| URL | Tags | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 2feb27dbe00cbb4f7d31f90acf6bd0d751dd0a50 Version: 2feb27dbe00cbb4f7d31f90acf6bd0d751dd0a50 Version: 2feb27dbe00cbb4f7d31f90acf6bd0d751dd0a50 Version: 2feb27dbe00cbb4f7d31f90acf6bd0d751dd0a50 Version: 2feb27dbe00cbb4f7d31f90acf6bd0d751dd0a50 Version: 2feb27dbe00cbb4f7d31f90acf6bd0d751dd0a50 Version: 2feb27dbe00cbb4f7d31f90acf6bd0d751dd0a50 Version: 2feb27dbe00cbb4f7d31f90acf6bd0d751dd0a50 Version: 2feb27dbe00cbb4f7d31f90acf6bd0d751dd0a50 |
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CVE-2021-46939 (GCVE-0-2021-46939)
Vulnerability from cvelistv5
Published
2024-02-27 18:40
Modified
2025-05-04 07:00
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
tracing: Restructure trace_clock_global() to never block
It was reported that a fix to the ring buffer recursion detection would
cause a hung machine when performing suspend / resume testing. The
following backtrace was extracted from debugging that case:
Call Trace:
trace_clock_global+0x91/0xa0
__rb_reserve_next+0x237/0x460
ring_buffer_lock_reserve+0x12a/0x3f0
trace_buffer_lock_reserve+0x10/0x50
__trace_graph_return+0x1f/0x80
trace_graph_return+0xb7/0xf0
? trace_clock_global+0x91/0xa0
ftrace_return_to_handler+0x8b/0xf0
? pv_hash+0xa0/0xa0
return_to_handler+0x15/0x30
? ftrace_graph_caller+0xa0/0xa0
? trace_clock_global+0x91/0xa0
? __rb_reserve_next+0x237/0x460
? ring_buffer_lock_reserve+0x12a/0x3f0
? trace_event_buffer_lock_reserve+0x3c/0x120
? trace_event_buffer_reserve+0x6b/0xc0
? trace_event_raw_event_device_pm_callback_start+0x125/0x2d0
? dpm_run_callback+0x3b/0xc0
? pm_ops_is_empty+0x50/0x50
? platform_get_irq_byname_optional+0x90/0x90
? trace_device_pm_callback_start+0x82/0xd0
? dpm_run_callback+0x49/0xc0
With the following RIP:
RIP: 0010:native_queued_spin_lock_slowpath+0x69/0x200
Since the fix to the recursion detection would allow a single recursion to
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lock and then trying to take it again:
ring_buffer_lock_reserve() {
trace_clock_global() {
arch_spin_lock() {
queued_spin_lock_slowpath() {
/* lock taken */
(something else gets traced by function graph tracer)
ring_buffer_lock_reserve() {
trace_clock_global() {
arch_spin_lock() {
queued_spin_lock_slowpath() {
/* DEAD LOCK! */
Tracing should *never* block, as it can lead to strange lockups like the
above.
Restructure the trace_clock_global() code to instead of simply taking a
lock to update the recorded "prev_time" simply use it, as two events
happening on two different CPUs that calls this at the same time, really
doesn't matter which one goes first. Use a trylock to grab the lock for
updating the prev_time, and if it fails, simply try again the next time.
If it failed to be taken, that means something else is already updating
it.
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=212761
References
| URL | Tags | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 14131f2f98ac350ee9e73faed916d2238a8b6a0d Version: 14131f2f98ac350ee9e73faed916d2238a8b6a0d Version: 14131f2f98ac350ee9e73faed916d2238a8b6a0d Version: 14131f2f98ac350ee9e73faed916d2238a8b6a0d Version: 14131f2f98ac350ee9e73faed916d2238a8b6a0d Version: 14131f2f98ac350ee9e73faed916d2238a8b6a0d Version: 14131f2f98ac350ee9e73faed916d2238a8b6a0d Version: 14131f2f98ac350ee9e73faed916d2238a8b6a0d Version: 14131f2f98ac350ee9e73faed916d2238a8b6a0d |
||
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CVE-2023-28746 (GCVE-0-2023-28746)
Vulnerability from cvelistv5
Published
2024-03-14 16:45
Modified
2025-04-26 20:03
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- information disclosure
- CWE-1342 - Information exposure through microarchitectural state after transient execution from some register files
Summary
Information exposure through microarchitectural state after transient execution from some register files for some Intel(R) Atom(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| n/a | Intel(R) Atom(R) Processors |
Version: See references |
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CVE-2021-47408 (GCVE-0-2021-47408)
Vulnerability from cvelistv5
Published
2024-05-21 15:04
Modified
2025-05-04 07:10
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
netfilter: conntrack: serialize hash resizes and cleanups
Syzbot was able to trigger the following warning [1]
No repro found by syzbot yet but I was able to trigger similar issue
by having 2 scripts running in parallel, changing conntrack hash sizes,
and:
for j in `seq 1 1000` ; do unshare -n /bin/true >/dev/null ; done
It would take more than 5 minutes for net_namespace structures
to be cleaned up.
This is because nf_ct_iterate_cleanup() has to restart everytime
a resize happened.
By adding a mutex, we can serialize hash resizes and cleanups
and also make get_next_corpse() faster by skipping over empty
buckets.
Even without resizes in the picture, this patch considerably
speeds up network namespace dismantles.
[1]
INFO: task syz-executor.0:8312 can't die for more than 144 seconds.
task:syz-executor.0 state:R running task stack:25672 pid: 8312 ppid: 6573 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:4955 [inline]
__schedule+0x940/0x26f0 kernel/sched/core.c:6236
preempt_schedule_common+0x45/0xc0 kernel/sched/core.c:6408
preempt_schedule_thunk+0x16/0x18 arch/x86/entry/thunk_64.S:35
__local_bh_enable_ip+0x109/0x120 kernel/softirq.c:390
local_bh_enable include/linux/bottom_half.h:32 [inline]
get_next_corpse net/netfilter/nf_conntrack_core.c:2252 [inline]
nf_ct_iterate_cleanup+0x15a/0x450 net/netfilter/nf_conntrack_core.c:2275
nf_conntrack_cleanup_net_list+0x14c/0x4f0 net/netfilter/nf_conntrack_core.c:2469
ops_exit_list+0x10d/0x160 net/core/net_namespace.c:171
setup_net+0x639/0xa30 net/core/net_namespace.c:349
copy_net_ns+0x319/0x760 net/core/net_namespace.c:470
create_new_namespaces+0x3f6/0xb20 kernel/nsproxy.c:110
unshare_nsproxy_namespaces+0xc1/0x1f0 kernel/nsproxy.c:226
ksys_unshare+0x445/0x920 kernel/fork.c:3128
__do_sys_unshare kernel/fork.c:3202 [inline]
__se_sys_unshare kernel/fork.c:3200 [inline]
__x64_sys_unshare+0x2d/0x40 kernel/fork.c:3200
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f63da68e739
RSP: 002b:00007f63d7c05188 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
RAX: ffffffffffffffda RBX: 00007f63da792f80 RCX: 00007f63da68e739
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040000000
RBP: 00007f63da6e8cc4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f63da792f80
R13: 00007fff50b75d3f R14: 00007f63d7c05300 R15: 0000000000022000
Showing all locks held in the system:
1 lock held by khungtaskd/27:
#0: ffffffff8b980020 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6446
2 locks held by kworker/u4:2/153:
#0: ffff888010c69138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff888010c69138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff888010c69138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1198 [inline]
#0: ffff888010c69138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:634 [inline]
#0: ffff888010c69138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:661 [inline]
#0: ffff888010c69138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x896/0x1690 kernel/workqueue.c:2268
#1: ffffc9000140fdb0 ((kfence_timer).work){+.+.}-{0:0}, at: process_one_work+0x8ca/0x1690 kernel/workqueue.c:2272
1 lock held by systemd-udevd/2970:
1 lock held by in:imklog/6258:
#0: ffff88807f970ff0 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe9/0x100 fs/file.c:990
3 locks held by kworker/1:6/8158:
1 lock held by syz-executor.0/8312:
2 locks held by kworker/u4:13/9320:
1 lock held by
---truncated---
References
Impacted products
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CVE-2023-52471 (GCVE-0-2023-52471)
Vulnerability from cvelistv5
Published
2024-02-25 08:16
Modified
2025-05-04 07:37
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ice: Fix some null pointer dereference issues in ice_ptp.c
devm_kasprintf() returns a pointer to dynamically allocated memory
which can be NULL upon failure.
References
Impacted products
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CVE-2021-47018 (GCVE-0-2021-47018)
Vulnerability from cvelistv5
Published
2024-02-28 08:13
Modified
2025-05-04 07:02
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
powerpc/64: Fix the definition of the fixmap area
At the time being, the fixmap area is defined at the top of
the address space or just below KASAN.
This definition is not valid for PPC64.
For PPC64, use the top of the I/O space.
Because of circular dependencies, it is not possible to include
asm/fixmap.h in asm/book3s/64/pgtable.h , so define a fixed size
AREA at the top of the I/O space for fixmap and ensure during
build that the size is big enough.
References
| URL | Tags | |
|---|---|---|
Impacted products
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CVE-2021-47461 (GCVE-0-2021-47461)
Vulnerability from cvelistv5
Published
2024-05-22 06:23
Modified
2025-05-04 07:11
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
userfaultfd: fix a race between writeprotect and exit_mmap()
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exit_mmap() and at the same time userfaultfd_writeprotect() is called.
The race was detected by KASAN on a development kernel, but it appears
to be possible on vanilla kernels as well.
Use mmget_not_zero() to prevent the race as done in other userfaultfd
operations.
References
Impacted products
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CVE-2022-48632 (GCVE-0-2022-48632)
Vulnerability from cvelistv5
Published
2024-04-28 12:59
Modified
2025-05-04 08:20
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
i2c: mlxbf: prevent stack overflow in mlxbf_i2c_smbus_start_transaction()
memcpy() is called in a loop while 'operation->length' upper bound
is not checked and 'data_idx' also increments.
References
| URL | Tags | |
|---|---|---|
Impacted products
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CVE-2022-48743 (GCVE-0-2022-48743)
Vulnerability from cvelistv5
Published
2024-06-20 11:13
Modified
2025-05-04 12:43
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
net: amd-xgbe: Fix skb data length underflow
There will be BUG_ON() triggered in include/linux/skbuff.h leading to
intermittent kernel panic, when the skb length underflow is detected.
Fix this by dropping the packet if such length underflows are seen
because of inconsistencies in the hardware descriptors.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
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| Linux | Linux |
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CVE-2023-4692 (GCVE-0-2023-4692)
Vulnerability from cvelistv5
Published
2023-10-25 10:27
Modified
2025-10-17 17:19
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-122 - Heap-based Buffer Overflow
Summary
An out-of-bounds write flaw was found in grub2's NTFS filesystem driver. This issue may allow an attacker to present a specially crafted NTFS filesystem image, leading to grub's heap metadata corruption. In some circumstances, the attack may also corrupt the UEFI firmware heap metadata. As a result, arbitrary code execution and secure boot protection bypass may be achieved.
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Patch: 2.12 < * |
|||||||||||||||||||
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CVE-2023-52469 (GCVE-0-2023-52469)
Vulnerability from cvelistv5
Published
2024-02-25 08:16
Modified
2025-05-04 07:37
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
drivers/amd/pm: fix a use-after-free in kv_parse_power_table
When ps allocated by kzalloc equals to NULL, kv_parse_power_table
frees adev->pm.dpm.ps that allocated before. However, after the control
flow goes through the following call chains:
kv_parse_power_table
|-> kv_dpm_init
|-> kv_dpm_sw_init
|-> kv_dpm_fini
The adev->pm.dpm.ps is used in the for loop of kv_dpm_fini after its
first free in kv_parse_power_table and causes a use-after-free bug.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
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| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
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CVE-2021-47579 (GCVE-0-2021-47579)
Vulnerability from cvelistv5
Published
2024-06-19 14:53
Modified
2025-05-04 07:14
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ovl: fix warning in ovl_create_real()
Syzbot triggered the following warning in ovl_workdir_create() ->
ovl_create_real():
if (!err && WARN_ON(!newdentry->d_inode)) {
The reason is that the cgroup2 filesystem returns from mkdir without
instantiating the new dentry.
Weird filesystems such as this will be rejected by overlayfs at a later
stage during setup, but to prevent such a warning, call ovl_mkdir_real()
directly from ovl_workdir_create() and reject this case early.
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Impacted products
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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