UnratedFix available
padata: Put CPU offline callback in ONLINE section to allow failure
Type: advisorySources: OSV
In the Linux kernel, the following vulnerability has been resolved: padata: Put CPU offline callback in ONLINE section to allow failure syzbot reported the following warning: DEAD callback error for CPU1 WARNING: kernel/cpu.c:1463 at _cpu_down+0x759/0x1020 kernel/cpu.c:1463, CPU#0: syz.0.1960/14614 at commit 4ae12d8bd9a8 ("Merge tag 'kbuild-fixes-7.0-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kbuild/linux") which tglx traced to padata_cpu_dead() given it's the only sub-CPUHP_TEARDOWN_CPU callback that returns an error. Failure isn't allowed in hotplug states before CPUHP_TEARDOWN_CPU so move the CPU offline callback to the ONLINE section where failure is possible.
- Products
- Kernel
- Affected versions
- Not specified
- Fixed versions
- 6.1.175, 6.12.91, 6.18.33, 6.6.141, 7.0.10
- CVEs
- CVE-2026-53314
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 4 Nov 2026, 16:59 UTC · Revision 1
Source evidence
padata: Put CPU offline callback in ONLINE section to allow failure
core-osv · Original sourcePublished 26 Jun 2026, 19:41 UTC
In the Linux kernel, the following vulnerability has been resolved: padata: Put CPU offline callback in ONLINE section to allow failure syzbot reported the following warning: DEAD callback error for CPU1 WARNING: kernel/cpu.c:1463 at _cpu_down+0x759/0x1020 kernel/cpu.c:1463, CPU#0: syz.0.1960/14614 at commit 4ae12d8bd9a8 ("Merge tag 'kbuild-fixes-7.0-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kbuild/linux") which tglx traced to padata_cpu_dead() given it's the only sub-CPUHP_TEARDOWN_CPU callback that returns an error. Failure isn't allowed in hotplug states before CPUHP_TEARDOWN_CPU so move the CPU offline callback to the ONLINE section where failure is possible.
osv:CVE-2026-53314
Kernel
Fixed versions: 6.1.175, 6.6.141, 6.12.91, 6.18.33, 7.0.10
Complete source record
{
"id": "8e00983685bd2960f5d756d5c8a938cfefd71108a30523aa2619b465c471de92",
"url": "https://osv.dev/vulnerability/CVE-2026-53314",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "padata: Put CPU offline callback in ONLINE section to allow failure",
"summary": "In the Linux kernel, the following vulnerability has been resolved: padata: Put CPU offline callback in ONLINE section to allow failure syzbot reported the following warning: DEAD callback error for CPU1 WARNING: kernel/cpu.c:1463 at _cpu_down+0x759/0x1020 kernel/cpu.c:1463, CPU#0: syz.0.1960/14614 at commit 4ae12d8bd9a8 (\"Merge tag 'kbuild-fixes-7.0-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kbuild/linux\") which tglx traced to padata_cpu_dead() given it's the only sub-CPUHP_TEARDOWN_CPU callback that returns an error. Failure isn't allowed in hotplug states before CPUHP_TEARDOWN_CPU so move the CPU offline callback to the ONLINE section where failure is possible.",
"evidence": "osv:CVE-2026-53314",
"products": [
{
"name": {
"value": "Kernel",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "6.1.175",
"evidence": "/affected/1/ranges"
},
{
"value": "6.6.141",
"evidence": "/affected/1/ranges"
},
{
"value": "6.12.91",
"evidence": "/affected/1/ranges"
},
{
"value": "6.18.33",
"evidence": "/affected/1/ranges"
},
{
"value": "7.0.10",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "CVE-2026-53314",
"aliases": [
"CVE-2026-53314"
],
"affected": [
{
"ranges": [
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"type": "GIT",
"events": [
{
"introduced": "894c9ef9780c5cf2f143415e867ee39a33ecb75d"
},
{
"fixed": "65dae8b34f0810f3fa9f77c4c63650cd20820693"
},
{
"fixed": "a6d44f477000c6352de6b05e9e276e62083e5fbf"
},
{
"fixed": "3e6c08dd97dcd22a00aee469e0adfa819071d80e"
},
{
"fixed": "5a9f29a3e076b637d2234093e57989cf755ded5b"
},
{
"fixed": "9afe53f14a2aae8c4beb30e5ea51641a34f1a3d3"
},
{
"fixed": "c8c4a2972f83c8b68ff03b43cecdb898939ff851"
}
]
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"type": "GIT",
"events": [
{
"introduced": "4.19.202"
},
{
"fixed": "4.20"
}
]
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"type": "GIT",
"events": [
{
"introduced": "5.4.22"
},
{
"fixed": "5.5"
}
]
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"type": "GIT",
"events": [
{
"introduced": "5.5.6"
},
{
"fixed": "5.6"
}
]
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"type": "GIT",
"events": [
{
"introduced": "2b1207801c393a5e9af2fbac2dd8b0377d8ae63a"
}
]
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"type": "GIT",
"events": [
{
"introduced": "0685dfa0a2ff7635c0b64f7b7f0fafbf1c3e0c14"
}
]
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"type": "GIT",
"events": [
{
"introduced": "3f4d3d010477365ee1aefedc3ad52563740b777e"
}
]
}
],
"versions": [
"v4.19.325",
"v4.19.324",
"v4.19.323",
"v4.19.322",
"v4.19.321",
"v4.19.320",
"v4.19.319",
"v4.19.318",
"v4.19.317",
"v4.19.316",
"v4.19.315",
"v4.19.314",
"v4.19.313",
"v4.19.312",
"v4.19.311",
"v4.19.310",
"v4.19.309",
"v4.19.308",
"v4.19.307",
"v4.19.306",
"v4.19.305",
"v4.19.304",
"v4.19.303",
"v4.19.302",
"v4.19.301",
"v4.19.300",
"v4.19.299",
"v4.19.298",
"v4.19.297",
"v4.19.296",
"v4.19.295",
"v4.19.294",
"v4.19.293",
"v4.19.292",
"v4.19.291",
"v4.19.290",
"v4.19.289",
"v4.19.288",
"v4.19.287",
"v4.19.286",
"v4.19.285",
"v4.19.284",
"v4.19.283",
"v4.19.282",
"v4.19.281",
"v4.19.280",
"v4.19.279",
"v4.19.278",
"v4.19.277",
"v4.19.276",
"v4.19.275",
"v4.19.274",
"v4.19.273",
"v4.19.272",
"v4.19.271",
"v4.19.270",
"v4.19.269",
"v4.19.268",
"v4.19.267",
"v4.19.266",
"v4.19.265",
"v4.19.264",
"v4.19.263",
"v4.19.262",
"v4.19.261",
"v4.19.260",
"v4.19.259",
"v4.19.258",
"v4.19.257",
"v4.19.256",
"v4.19.255",
"v4.19.254",
"v4.19.253",
"v4.19.252",
"v4.19.251",
"v4.19.250",
"v4.19.249",
"v4.19.248",
"v4.19.247",
"v4.19.246",
"v4.19.245",
"v4.19.244",
"v4.19.243",
"v4.19.242",
"v4.19.241",
"v4.19.240",
"v4.19.239",
"v4.19.238",
"v4.19.237",
"v4.19.236",
"v4.19.235",
"v4.19.234",
"v4.19.233",
"v4.19.232",
"v4.19.231",
"v4.19.230",
"v4.19.229",
"v4.19.228",
"v4.19.227",
"v4.19.226",
"v4.19.225",
"v4.19.224",
"v4.19.223",
"v4.19.222",
"v4.19.221",
"v4.19.220",
"v4.19.219",
"v4.19.218",
"v4.19.217",
"v4.19.216",
"v4.19.215",
"v4.19.214",
"v4.19.213",
"v4.19.212",
"v4.19.211",
"v4.19.210",
"v4.19.209",
"v4.19.208",
"v4.19.207",
"v4.19.206",
"v4.19.205",
"v4.19.204",
"v4.19.203",
"v4.19.202",
"v5.4.302",
"v5.4.301",
"v5.4.300",
"v5.4.299",
"v5.4.298",
"v5.4.297",
"v5.4.296",
"v5.4.295",
"v5.4.294",
"v5.4.293",
"v5.4.292",
"v5.4.291",
"v5.4.290",
"v5.4.289",
"v5.4.288",
"v5.4.287",
"v5.4.286",
"v5.4.285",
"v5.4.284",
"v5.4.283",
"v5.4.282",
"v5.4.281",
"v5.4.280",
"v5.4.279",
"v5.4.278",
"v5.4.277",
"v5.4.276",
"v5.4.275",
"v5.4.274",
"v5.4.273",
"v5.4.272",
"v5.4.271",
"v5.4.270",
"v5.4.269",
"v5.4.268",
"v5.4.267",
"v5.4.266",
"v5.4.265",
"v5.4.264",
"v5.4.263",
"v5.4.262",
"v5.4.261",
"v5.4.260",
"v5.4.259",
"v5.4.258",
"v5.4.257",
"v5.4.256",
"v5.4.255",
"v5.4.254",
"v5.4.253",
"v5.4.252",
"v5.4.251",
"v5.4.250",
"v5.4.249",
"v5.4.248",
"v5.4.247",
"v5.4.246",
"v5.4.245",
"v5.4.244",
"v5.4.243",
"v5.4.242",
"v5.4.241",
"v5.4.240",
"v5.4.239",
"v5.4.238",
"v5.4.237",
"v5.4.236",
"v5.4.235",
"v5.4.234",
"v5.4.233",
"v5.4.232",
"v5.4.231",
"v5.4.230",
"v5.4.229",
"v5.4.228",
"v5.4.227",
"v5.4.226",
"v5.4.225",
"v5.4.224",
"v5.4.223",
"v5.4.222",
"v5.4.221",
"v5.4.220",
"v5.4.219",
"v5.4.218",
"v5.4.217",
"v5.4.216",
"v5.4.215",
"v5.4.214",
"v5.4.213",
"v5.4.212",
"v5.4.211",
"v5.4.210",
"v5.4.209",
"v5.4.208",
"v5.4.207",
"v5.4.206",
"v5.4.205",
"v5.4.204",
"v5.4.203",
"v5.4.202",
"v5.4.201",
"v5.4.200",
"v5.4.199",
"v5.4.198",
"v5.4.197",
"v5.4.196",
"v5.4.195",
"v5.4.194",
"v5.4.193",
"v5.4.192",
"v5.4.191",
"v5.4.190",
"v5.4.189",
"v5.4.188",
"v5.4.187",
"v5.4.186",
"v5.4.185",
"v5.4.184",
"v5.4.183",
"v5.4.182",
"v5.4.181",
"v5.4.180",
"v5.4.179",
"v5.4.178",
"v5.4.177",
"v5.4.176",
"v5.4.175",
"v5.4.174",
"v5.4.173",
"v5.4.172",
"v5.4.171",
"v5.4.170",
"v5.4.169",
"v5.4.168",
"v5.4.167",
"v5.4.166",
"v5.4.165",
"v5.4.164",
"v5.4.163",
"v5.4.162",
"v5.4.161",
"v5.4.160",
"v5.4.159",
"v5.4.158",
"v5.4.157",
"v5.4.156",
"v5.4.155",
"v5.4.154",
"v5.4.153",
"v5.4.152",
"v5.4.151",
"v5.4.150",
"v5.4.149",
"v5.4.148",
"v5.4.147",
"v5.4.146",
"v5.4.145",
"v5.4.144",
"v5.4.143",
"v5.4.142",
"v5.4.141",
"v5.4.140",
"v5.4.139",
"v5.4.138",
"v5.4.137",
"v5.4.136",
"v5.4.135",
"v5.4.134",
"v5.4.133",
"v5.4.132",
"v5.4.131",
"v5.4.130",
"v5.4.129",
"v5.4.128",
"v5.4.127",
"v5.4.126",
"v5.4.125",
"v5.4.124",
"v5.4.123",
"v5.4.122",
"v5.4.121",
"v5.4.120",
"v5.4.119",
"v5.4.118",
"v5.4.117",
"v5.4.116",
"v5.4.115",
"v5.4.114",
"v5.4.113",
"v5.4.112",
"v5.4.111",
"v5.4.110",
"v5.4.109",
"v5.4.108",
"v5.4.107",
"v5.4.106",
"v5.4.105",
"v5.4.104",
"v5.4.103",
"v5.4.102",
"v5.4.101",
"v5.4.100",
"v5.4.99",
"v5.4.98",
"v5.4.97",
"v5.4.96",
"v5.4.95",
"v5.4.94",
"v5.4.93",
"v5.4.92",
"v5.4.91",
"v5.4.90",
"v5.4.89",
"v5.4.88",
"v5.4.87",
"v5.4.86",
"v5.4.85",
"v5.4.84",
"v5.4.83",
"v5.4.82",
"v5.4.81",
"v5.4.80",
"v5.4.79",
"v5.4.78",
"v5.4.77",
"v5.4.76",
"v5.4.75",
"v5.4.74",
"v5.4.73",
"v5.4.72",
"v5.4.71",
"v5.4.70",
"v5.4.69",
"v5.4.68",
"v5.4.67",
"v5.4.66",
"v5.4.65",
"v5.4.64",
"v5.4.63",
"v5.4.62",
"v5.4.61",
"v5.4.60",
"v5.4.59",
"v5.4.58",
"v5.4.57",
"v5.4.56",
"v5.4.55",
"v5.4.54",
"v5.4.53",
"v5.4.52",
"v5.4.51",
"v5.4.50",
"v5.4.49",
"v5.4.48",
"v5.4.47",
"v5.4.46",
"v5.4.45",
"v5.4.44",
"v5.4.43",
"v5.4.42",
"v5.4.41",
"v5.4.40",
"v5.4.39",
"v5.4.38",
"v5.4.37",
"v5.4.36",
"v5.4.35",
"v5.4.34",
"v5.4.33",
"v5.4.32",
"v5.4.31",
"v5.4.30",
"v5.4.29",
"v5.4.28",
"v5.4.27",
"v5.4.26",
"v5.4.25",
"v5.4.24",
"v5.4.23",
"v5.4.22",
"v5.5.19",
"v5.5.18",
"v5.5.17",
"v5.5.16",
"v5.5.15",
"v5.5.14",
"v5.5.13",
"v5.5.12",
"v5.5.11",
"v5.5.10",
"v5.5.9",
"v5.5.8",
"v5.5.7",
"v5.5.6"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-53314.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "5.6.0"
},
{
"fixed": "6.1.175"
}
]
},
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "6.2.0"
},
{
"fixed": "6.6.141"
}
]
},
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "6.7.0"
},
{
"fixed": "6.12.91"
}
]
},
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "6.13.0"
},
{
"fixed": "6.18.33"
}
]
},
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "6.19.0"
},
{
"fixed": "7.0.10"
}
]
}
],
"package": {
"name": "Kernel",
"ecosystem": "Linux"
},
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-53314.json"
}
}
],
"modified": "2026-10-28T02:30:37.812755178Z",
"provider": "osv",
"references": [
"https://git.kernel.org/stable/c/3e6c08dd97dcd22a00aee469e0adfa819071d80e",
"https://git.kernel.org/stable/c/5a9f29a3e076b637d2234093e57989cf755ded5b",
"https://git.kernel.org/stable/c/65dae8b34f0810f3fa9f77c4c63650cd20820693",
"https://git.kernel.org/stable/c/9afe53f14a2aae8c4beb30e5ea51641a34f1a3d3",
"https://git.kernel.org/stable/c/a6d44f477000c6352de6b05e9e276e62083e5fbf",
"https://git.kernel.org/stable/c/c8c4a2972f83c8b68ff03b43cecdb898939ff851",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53314.json",
"https://nvd.nist.gov/vuln/detail/CVE-2026-53314",
"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
],
"provider_metadata": {
"cna_assigner": "Linux",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53314.json"
}
},
"related_cves": [
{
"value": "CVE-2026-53314",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 505058,
"published_at": "2026-06-26T19:41:07.447+00:00"
}