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vuln-cve/data/2023/53xxx/CVE-2023-53853.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2023-53853",
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"state": "PUBLISHED",
"assignerShortName": "Linux",
"dateReserved": "2025-12-09T01:27:17.828Z",
"datePublished": "2025-12-09T01:30:18.628Z",
"dateUpdated": "2026-05-11T19:52:47.011Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux",
"dateUpdated": "2026-05-11T19:52:47.011Z"
},
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetlink: annotate accesses to nlk->cb_running\n\nBoth netlink_recvmsg() and netlink_native_seq_show() read\nnlk->cb_running locklessly. Use READ_ONCE() there.\n\nAdd corresponding WRITE_ONCE() to netlink_dump() and\n__netlink_dump_start()\n\nsyzbot reported:\nBUG: KCSAN: data-race in __netlink_dump_start / netlink_recvmsg\n\nwrite to 0xffff88813ea4db59 of 1 bytes by task 28219 on cpu 0:\n__netlink_dump_start+0x3af/0x4d0 net/netlink/af_netlink.c:2399\nnetlink_dump_start include/linux/netlink.h:308 [inline]\nrtnetlink_rcv_msg+0x70f/0x8c0 net/core/rtnetlink.c:6130\nnetlink_rcv_skb+0x126/0x220 net/netlink/af_netlink.c:2577\nrtnetlink_rcv+0x1c/0x20 net/core/rtnetlink.c:6192\nnetlink_unicast_kernel net/netlink/af_netlink.c:1339 [inline]\nnetlink_unicast+0x56f/0x640 net/netlink/af_netlink.c:1365\nnetlink_sendmsg+0x665/0x770 net/netlink/af_netlink.c:1942\nsock_sendmsg_nosec net/socket.c:724 [inline]\nsock_sendmsg net/socket.c:747 [inline]\nsock_write_iter+0x1aa/0x230 net/socket.c:1138\ncall_write_iter include/linux/fs.h:1851 [inline]\nnew_sync_write fs/read_write.c:491 [inline]\nvfs_write+0x463/0x760 fs/read_write.c:584\nksys_write+0xeb/0x1a0 fs/read_write.c:637\n__do_sys_write fs/read_write.c:649 [inline]\n__se_sys_write fs/read_write.c:646 [inline]\n__x64_sys_write+0x42/0x50 fs/read_write.c:646\ndo_syscall_x64 arch/x86/entry/common.c:50 [inline]\ndo_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80\nentry_SYSCALL_64_after_hwframe+0x63/0xcd\n\nread to 0xffff88813ea4db59 of 1 bytes by task 28222 on cpu 1:\nnetlink_recvmsg+0x3b4/0x730 net/netlink/af_netlink.c:2022\nsock_recvmsg_nosec+0x4c/0x80 net/socket.c:1017\n____sys_recvmsg+0x2db/0x310 net/socket.c:2718\n___sys_recvmsg net/socket.c:2762 [inline]\ndo_recvmmsg+0x2e5/0x710 net/socket.c:2856\n__sys_recvmmsg net/socket.c:2935 [inline]\n__do_sys_recvmmsg net/socket.c:2958 [inline]\n__se_sys_recvmmsg net/socket.c:2951 [inline]\n__x64_sys_recvmmsg+0xe2/0x160 net/socket.c:2951\ndo_syscall_x64 arch/x86/entry/common.c:50 [inline]\ndo_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80\nentry_SYSCALL_64_after_hwframe+0x63/0xcd\n\nvalue changed: 0x00 -> 0x01"
}
],
"affected": [
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"net/netlink/af_netlink.c"
],
"versions": [
{
"version": "16b304f3404f8e0243d5ee2b70b68767b7b59b2b",
"lessThan": "e25e9d8a210ed78bdf0f364576dbee13aefadbf8",
"status": "affected",
"versionType": "git"
},
{
"version": "16b304f3404f8e0243d5ee2b70b68767b7b59b2b",
"lessThan": "840a647499b093621167de56ffa8756dfc69f242",
"status": "affected",
"versionType": "git"
},
{
"version": "16b304f3404f8e0243d5ee2b70b68767b7b59b2b",
"lessThan": "a507022c862e10744a92c4bf5709775450a110ad",
"status": "affected",
"versionType": "git"
},
{
"version": "16b304f3404f8e0243d5ee2b70b68767b7b59b2b",
"lessThan": "f92557f79a60cb142258f5fa7194f327573fadd8",
"status": "affected",
"versionType": "git"
},
{
"version": "16b304f3404f8e0243d5ee2b70b68767b7b59b2b",
"lessThan": "1d5c8b01f1df0461256a6d75854ed806f50645a3",
"status": "affected",
"versionType": "git"
},
{
"version": "16b304f3404f8e0243d5ee2b70b68767b7b59b2b",
"lessThan": "a115dadf8995b1730c36c474401d97355705cb88",
"status": "affected",
"versionType": "git"
},
{
"version": "16b304f3404f8e0243d5ee2b70b68767b7b59b2b",
"lessThan": "02e7afd659a4c9ce1e98fc01ab4c510f3de1f0b3",
"status": "affected",
"versionType": "git"
},
{
"version": "16b304f3404f8e0243d5ee2b70b68767b7b59b2b",
"lessThan": "a939d14919b799e6fff8a9c80296ca229ba2f8a4",
"status": "affected",
"versionType": "git"
}
]
},
{
"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"
],
"versions": [
{
"version": "3.12",
"status": "affected"
},
{
"version": "0",
"lessThan": "3.12",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "4.14.316",
"lessThanOrEqual": "4.14.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "4.19.284",
"lessThanOrEqual": "4.19.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.4.244",
"lessThanOrEqual": "5.4.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.10.181",
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.15.113",
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.1.30",
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.3.4",
"lessThanOrEqual": "6.3.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.4",
"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": "3.12",
"versionEndExcluding": "4.14.316"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "3.12",
"versionEndExcluding": "4.19.284"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "3.12",
"versionEndExcluding": "5.4.244"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "3.12",
"versionEndExcluding": "5.10.181"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "3.12",
"versionEndExcluding": "5.15.113"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "3.12",
"versionEndExcluding": "6.1.30"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "3.12",
"versionEndExcluding": "6.3.4"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "3.12",
"versionEndExcluding": "6.4"
}
]
}
]
}
],
"references": [
{
"url": "https://git.kernel.org/stable/c/e25e9d8a210ed78bdf0f364576dbee13aefadbf8"
},
{
"url": "https://git.kernel.org/stable/c/840a647499b093621167de56ffa8756dfc69f242"
},
{
"url": "https://git.kernel.org/stable/c/a507022c862e10744a92c4bf5709775450a110ad"
},
{
"url": "https://git.kernel.org/stable/c/f92557f79a60cb142258f5fa7194f327573fadd8"
},
{
"url": "https://git.kernel.org/stable/c/1d5c8b01f1df0461256a6d75854ed806f50645a3"
},
{
"url": "https://git.kernel.org/stable/c/a115dadf8995b1730c36c474401d97355705cb88"
},
{
"url": "https://git.kernel.org/stable/c/02e7afd659a4c9ce1e98fc01ab4c510f3de1f0b3"
},
{
"url": "https://git.kernel.org/stable/c/a939d14919b799e6fff8a9c80296ca229ba2f8a4"
}
],
"title": "netlink: annotate accesses to nlk->cb_running",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
}
}
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