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vuln-cve/data/2023/53xxx/CVE-2023-53731.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2023-53731",
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"state": "PUBLISHED",
"assignerShortName": "Linux",
"dateReserved": "2025-10-22T13:21:37.349Z",
"datePublished": "2025-10-22T13:23:59.055Z",
"dateUpdated": "2026-05-23T15:30:38.411Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux",
"dateUpdated": "2026-05-23T15:30:38.411Z"
},
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetlink: fix potential deadlock in netlink_set_err()\n\nsyzbot reported a possible deadlock in netlink_set_err() [1]\n\nA similar issue was fixed in commit 1d482e666b8e (\"netlink: disable IRQs\nfor netlink_lock_table()\") in netlink_lock_table()\n\nThis patch adds IRQ safety to netlink_set_err() and __netlink_diag_dump()\nwhich were not covered by cited commit.\n\n[1]\n\nWARNING: possible irq lock inversion dependency detected\n6.4.0-rc6-syzkaller-00240-g4e9f0ec38852 #0 Not tainted\n\nsyz-executor.2/23011 just changed the state of lock:\nffffffff8e1a7a58 (nl_table_lock){.+.?}-{2:2}, at: netlink_set_err+0x2e/0x3a0 net/netlink/af_netlink.c:1612\nbut this lock was taken by another, SOFTIRQ-safe lock in the past:\n (&local->queue_stop_reason_lock){..-.}-{2:2}\n\nand interrupts could create inverse lock ordering between them.\n\nother info that might help us debug this:\n Possible interrupt unsafe locking scenario:\n\n CPU0 CPU1\n ---- ----\n lock(nl_table_lock);\n local_irq_disable();\n lock(&local->queue_stop_reason_lock);\n lock(nl_table_lock);\n <Interrupt>\n lock(&local->queue_stop_reason_lock);\n\n *** DEADLOCK ***"
}
],
"affected": [
{
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"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"net/netlink/af_netlink.c",
"net/netlink/diag.c"
],
"versions": [
{
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"status": "affected",
"versionType": "git"
},
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},
{
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"status": "affected",
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},
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"status": "affected",
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},
{
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"status": "affected",
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},
{
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},
{
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},
{
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"lessThan": "8d61f926d42045961e6b65191c09e3678d86a9cf",
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"versionType": "git"
},
{
"version": "5f155c4046200f067b1dc3140ea99ef56e4e0b74",
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},
{
"version": "a8e9111a8625dd11e70edd61f7a1ccd26c041442",
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},
{
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},
{
"version": "4.14.237",
"lessThan": "4.14.322",
"status": "affected",
"versionType": "semver"
},
{
"version": "4.19.195",
"lessThan": "4.19.291",
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},
{
"version": "5.4.126",
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},
{
"version": "5.10.44",
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},
{
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"lessThan": "4.5",
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},
{
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"lessThan": "4.10",
"status": "affected",
"versionType": "semver"
},
{
"version": "5.12.11",
"lessThan": "5.13",
"status": "affected",
"versionType": "semver"
}
]
},
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "affected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"net/netlink/af_netlink.c",
"net/netlink/diag.c"
],
"versions": [
{
"version": "5.13",
"status": "affected"
},
{
"version": "0",
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"status": "unaffected",
"versionType": "semver"
},
{
"version": "4.14.322",
"lessThanOrEqual": "4.14.*",
"status": "unaffected",
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},
{
"version": "4.19.291",
"lessThanOrEqual": "4.19.*",
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},
{
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"lessThanOrEqual": "5.4.*",
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},
{
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"lessThanOrEqual": "5.10.*",
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},
{
"version": "5.15.121",
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
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},
{
"version": "6.1.39",
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.3.13",
"lessThanOrEqual": "6.3.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.4.4",
"lessThanOrEqual": "6.4.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.5",
"lessThanOrEqual": "*",
"status": "unaffected",
"versionType": "original_commit_for_fix"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.14.237",
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},
{
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},
{
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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},
{
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],
"references": [
{
"url": "https://git.kernel.org/stable/c/c09e8e3f7fd432984bf5422302b093d2371dfc48"
},
{
"url": "https://git.kernel.org/stable/c/4b9adb8d4a62ff7608d4a7d4eb42036a88f30980"
},
{
"url": "https://git.kernel.org/stable/c/8f6652ed2ad98fe6d13b903483d9257762ab2ec6"
},
{
"url": "https://git.kernel.org/stable/c/cde7b90e0539a3b11da377e463dfd2288a162dbf"
},
{
"url": "https://git.kernel.org/stable/c/a641240b7e071c5538dc0e7894ece833fce459dd"
},
{
"url": "https://git.kernel.org/stable/c/61ffe8b1ee084e5c82a4e4bbf9e7b68e0c06e464"
},
{
"url": "https://git.kernel.org/stable/c/eb8e27c8fa9397b4a7b181c48fa58157dbe9902e"
},
{
"url": "https://git.kernel.org/stable/c/1556ba034b95cfd4f75ea93c1a2679ae0444bba1"
},
{
"url": "https://git.kernel.org/stable/c/8d61f926d42045961e6b65191c09e3678d86a9cf"
}
],
"title": "netlink: fix potential deadlock in netlink_set_err()",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
}
}
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