CVE-2026-23119 (GCVE-0-2026-23119)
Vulnerability from cvelistv5 – Published: 2026-02-14 15:09 – Updated: 2026-02-14 15:09
VLAI?
Title
bonding: provide a net pointer to __skb_flow_dissect()
Summary
In the Linux kernel, the following vulnerability has been resolved:
bonding: provide a net pointer to __skb_flow_dissect()
After 3cbf4ffba5ee ("net: plumb network namespace into __skb_flow_dissect")
we have to provide a net pointer to __skb_flow_dissect(),
either via skb->dev, skb->sk, or a user provided pointer.
In the following case, syzbot was able to cook a bare skb.
WARNING: net/core/flow_dissector.c:1131 at __skb_flow_dissect+0xb57/0x68b0 net/core/flow_dissector.c:1131, CPU#1: syz.2.1418/11053
Call Trace:
<TASK>
bond_flow_dissect drivers/net/bonding/bond_main.c:4093 [inline]
__bond_xmit_hash+0x2d7/0xba0 drivers/net/bonding/bond_main.c:4157
bond_xmit_hash_xdp drivers/net/bonding/bond_main.c:4208 [inline]
bond_xdp_xmit_3ad_xor_slave_get drivers/net/bonding/bond_main.c:5139 [inline]
bond_xdp_get_xmit_slave+0x1fd/0x710 drivers/net/bonding/bond_main.c:5515
xdp_master_redirect+0x13f/0x2c0 net/core/filter.c:4388
bpf_prog_run_xdp include/net/xdp.h:700 [inline]
bpf_test_run+0x6b2/0x7d0 net/bpf/test_run.c:421
bpf_prog_test_run_xdp+0x795/0x10e0 net/bpf/test_run.c:1390
bpf_prog_test_run+0x2c7/0x340 kernel/bpf/syscall.c:4703
__sys_bpf+0x562/0x860 kernel/bpf/syscall.c:6182
__do_sys_bpf kernel/bpf/syscall.c:6274 [inline]
__se_sys_bpf kernel/bpf/syscall.c:6272 [inline]
__x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:6272
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xec/0xf80 arch/x86/entry/syscall_64.c:94
Severity ?
No CVSS data available.
Assigner
References
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Linux | Linux |
Affected:
58deb77cc52da9360d20676e68dd215742cbe473 , < 8e53780732ee881394406f79da5263b81eb48f7e
(git)
Affected: 58deb77cc52da9360d20676e68dd215742cbe473 , < 3be945abdd228fd00f6afcf8d137002867a4651b (git) Affected: 58deb77cc52da9360d20676e68dd215742cbe473 , < f4faaa1297ecf3255a8591fff2633df05bd5ec84 (git) Affected: 58deb77cc52da9360d20676e68dd215742cbe473 , < 0efee0b992f28bd5ee01c7a86ef6a307c42eb907 (git) Affected: 58deb77cc52da9360d20676e68dd215742cbe473 , < bc3c8d2493c6f4d2038844dc8b7ee93de050f7fa (git) Affected: 58deb77cc52da9360d20676e68dd215742cbe473 , < de97735a40a144974bf3896ee4cc0270db2e47db (git) Affected: 58deb77cc52da9360d20676e68dd215742cbe473 , < 5f9b329096596b7e53e07d041d7fca4cbe1be752 (git) |
|||||||
|
|||||||||
{
"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": "8e53780732ee881394406f79da5263b81eb48f7e",
"status": "affected",
"version": "58deb77cc52da9360d20676e68dd215742cbe473",
"versionType": "git"
},
{
"lessThan": "3be945abdd228fd00f6afcf8d137002867a4651b",
"status": "affected",
"version": "58deb77cc52da9360d20676e68dd215742cbe473",
"versionType": "git"
},
{
"lessThan": "f4faaa1297ecf3255a8591fff2633df05bd5ec84",
"status": "affected",
"version": "58deb77cc52da9360d20676e68dd215742cbe473",
"versionType": "git"
},
{
"lessThan": "0efee0b992f28bd5ee01c7a86ef6a307c42eb907",
"status": "affected",
"version": "58deb77cc52da9360d20676e68dd215742cbe473",
"versionType": "git"
},
{
"lessThan": "bc3c8d2493c6f4d2038844dc8b7ee93de050f7fa",
"status": "affected",
"version": "58deb77cc52da9360d20676e68dd215742cbe473",
"versionType": "git"
},
{
"lessThan": "de97735a40a144974bf3896ee4cc0270db2e47db",
"status": "affected",
"version": "58deb77cc52da9360d20676e68dd215742cbe473",
"versionType": "git"
},
{
"lessThan": "5f9b329096596b7e53e07d041d7fca4cbe1be752",
"status": "affected",
"version": "58deb77cc52da9360d20676e68dd215742cbe473",
"versionType": "git"
}
]
},
{
"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": "5.5"
},
{
"lessThan": "5.5",
"status": "unaffected",
"version": "0",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"version": "5.10.249",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"version": "5.15.199",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"version": "6.1.162",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"version": "6.6.122",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
"version": "6.12.68",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.18.*",
"status": "unaffected",
"version": "6.18.8",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "6.19",
"versionType": "original_commit_for_fix"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "5.10.249",
"versionStartIncluding": "5.5",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "5.15.199",
"versionStartIncluding": "5.5",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.1.162",
"versionStartIncluding": "5.5",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.6.122",
"versionStartIncluding": "5.5",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.12.68",
"versionStartIncluding": "5.5",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.18.8",
"versionStartIncluding": "5.5",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.19",
"versionStartIncluding": "5.5",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbonding: provide a net pointer to __skb_flow_dissect()\n\nAfter 3cbf4ffba5ee (\"net: plumb network namespace into __skb_flow_dissect\")\nwe have to provide a net pointer to __skb_flow_dissect(),\neither via skb-\u003edev, skb-\u003esk, or a user provided pointer.\n\nIn the following case, syzbot was able to cook a bare skb.\n\nWARNING: net/core/flow_dissector.c:1131 at __skb_flow_dissect+0xb57/0x68b0 net/core/flow_dissector.c:1131, CPU#1: syz.2.1418/11053\nCall Trace:\n \u003cTASK\u003e\n bond_flow_dissect drivers/net/bonding/bond_main.c:4093 [inline]\n __bond_xmit_hash+0x2d7/0xba0 drivers/net/bonding/bond_main.c:4157\n bond_xmit_hash_xdp drivers/net/bonding/bond_main.c:4208 [inline]\n bond_xdp_xmit_3ad_xor_slave_get drivers/net/bonding/bond_main.c:5139 [inline]\n bond_xdp_get_xmit_slave+0x1fd/0x710 drivers/net/bonding/bond_main.c:5515\n xdp_master_redirect+0x13f/0x2c0 net/core/filter.c:4388\n bpf_prog_run_xdp include/net/xdp.h:700 [inline]\n bpf_test_run+0x6b2/0x7d0 net/bpf/test_run.c:421\n bpf_prog_test_run_xdp+0x795/0x10e0 net/bpf/test_run.c:1390\n bpf_prog_test_run+0x2c7/0x340 kernel/bpf/syscall.c:4703\n __sys_bpf+0x562/0x860 kernel/bpf/syscall.c:6182\n __do_sys_bpf kernel/bpf/syscall.c:6274 [inline]\n __se_sys_bpf kernel/bpf/syscall.c:6272 [inline]\n __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:6272\n do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]\n do_syscall_64+0xec/0xf80 arch/x86/entry/syscall_64.c:94"
}
],
"providerMetadata": {
"dateUpdated": "2026-02-14T15:09:50.517Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
},
"references": [
{
"url": "https://git.kernel.org/stable/c/8e53780732ee881394406f79da5263b81eb48f7e"
},
{
"url": "https://git.kernel.org/stable/c/3be945abdd228fd00f6afcf8d137002867a4651b"
},
{
"url": "https://git.kernel.org/stable/c/f4faaa1297ecf3255a8591fff2633df05bd5ec84"
},
{
"url": "https://git.kernel.org/stable/c/0efee0b992f28bd5ee01c7a86ef6a307c42eb907"
},
{
"url": "https://git.kernel.org/stable/c/bc3c8d2493c6f4d2038844dc8b7ee93de050f7fa"
},
{
"url": "https://git.kernel.org/stable/c/de97735a40a144974bf3896ee4cc0270db2e47db"
},
{
"url": "https://git.kernel.org/stable/c/5f9b329096596b7e53e07d041d7fca4cbe1be752"
}
],
"title": "bonding: provide a net pointer to __skb_flow_dissect()",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2026-23119",
"datePublished": "2026-02-14T15:09:50.517Z",
"dateReserved": "2026-01-13T15:37:45.969Z",
"dateUpdated": "2026-02-14T15:09:50.517Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"nvd": "{\"cve\":{\"id\":\"CVE-2026-23119\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2026-02-14T15:16:07.043\",\"lastModified\":\"2026-02-14T15:16:07.043\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nbonding: provide a net pointer to __skb_flow_dissect()\\n\\nAfter 3cbf4ffba5ee (\\\"net: plumb network namespace into __skb_flow_dissect\\\")\\nwe have to provide a net pointer to __skb_flow_dissect(),\\neither via skb-\u003edev, skb-\u003esk, or a user provided pointer.\\n\\nIn the following case, syzbot was able to cook a bare skb.\\n\\nWARNING: net/core/flow_dissector.c:1131 at __skb_flow_dissect+0xb57/0x68b0 net/core/flow_dissector.c:1131, CPU#1: syz.2.1418/11053\\nCall Trace:\\n \u003cTASK\u003e\\n bond_flow_dissect drivers/net/bonding/bond_main.c:4093 [inline]\\n __bond_xmit_hash+0x2d7/0xba0 drivers/net/bonding/bond_main.c:4157\\n bond_xmit_hash_xdp drivers/net/bonding/bond_main.c:4208 [inline]\\n bond_xdp_xmit_3ad_xor_slave_get drivers/net/bonding/bond_main.c:5139 [inline]\\n bond_xdp_get_xmit_slave+0x1fd/0x710 drivers/net/bonding/bond_main.c:5515\\n xdp_master_redirect+0x13f/0x2c0 net/core/filter.c:4388\\n bpf_prog_run_xdp include/net/xdp.h:700 [inline]\\n bpf_test_run+0x6b2/0x7d0 net/bpf/test_run.c:421\\n bpf_prog_test_run_xdp+0x795/0x10e0 net/bpf/test_run.c:1390\\n bpf_prog_test_run+0x2c7/0x340 kernel/bpf/syscall.c:4703\\n __sys_bpf+0x562/0x860 kernel/bpf/syscall.c:6182\\n __do_sys_bpf kernel/bpf/syscall.c:6274 [inline]\\n __se_sys_bpf kernel/bpf/syscall.c:6272 [inline]\\n __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:6272\\n do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]\\n do_syscall_64+0xec/0xf80 arch/x86/entry/syscall_64.c:94\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/0efee0b992f28bd5ee01c7a86ef6a307c42eb907\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/3be945abdd228fd00f6afcf8d137002867a4651b\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/5f9b329096596b7e53e07d041d7fca4cbe1be752\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/8e53780732ee881394406f79da5263b81eb48f7e\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/bc3c8d2493c6f4d2038844dc8b7ee93de050f7fa\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/de97735a40a144974bf3896ee4cc0270db2e47db\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/f4faaa1297ecf3255a8591fff2633df05bd5ec84\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
}
}
Loading…
Loading…
Sightings
| Author | Source | Type | Date |
|---|
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.
Loading…
Loading…