Files
vuln-cve/data/2025/21xxx/CVE-2025-21817.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2025-21817",
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"state": "PUBLISHED",
"assignerShortName": "Linux",
"dateReserved": "2024-12-29T08:45:45.774Z",
"datePublished": "2025-02-27T20:04:15.988Z",
"dateUpdated": "2026-11-05T20:41:45.114Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux",
"dateUpdated": "2026-09-07T15:44:41.250Z"
},
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nblock: mark GFP_NOIO around sysfs ->store()\n\nsysfs ->store is called with queue freezed, meantime we have several\n->store() callbacks(update_nr_requests, wbt, scheduler) to allocate\nmemory with GFP_KERNEL which may run into direct reclaim code path,\nthen potential deadlock can be caused.\n\nFix the issue by marking NOIO around sysfs ->store()"
}
],
"affected": [
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"block/blk-sysfs.c"
],
"versions": [
{
"version": "1645cd7fd42c236c952e9228badcac4fea1829ea",
"lessThan": "a09280c39ea54080daf19cfaf4a3121a8d17d5cd",
"status": "affected",
"versionType": "git"
},
{
"version": "8985da5481562e96b95e94ed8e5cc9b6565eb82b",
"lessThan": "2566ce907e5d5db8a039647208e029ce559baa31",
"status": "affected",
"versionType": "git"
},
{
"version": "c99f66e4084a62a2cc401c4704a84328aeddc9ec",
"lessThan": "7c0be4ead1f8f5f8be0803f347de0de81e3b8e1c",
"status": "affected",
"versionType": "git"
}
]
},
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"block/blk-sysfs.c"
],
"versions": [
{
"version": "6.12.96",
"lessThan": "6.12.109",
"status": "affected",
"versionType": "semver"
},
{
"version": "6.13.2",
"lessThan": "6.13.3",
"status": "affected",
"versionType": "semver"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.12.96",
"versionEndExcluding": "6.12.109"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.13.2",
"versionEndExcluding": "6.13.3"
}
]
}
]
}
],
"references": [
{
"url": "https://git.kernel.org/stable/c/a09280c39ea54080daf19cfaf4a3121a8d17d5cd"
},
{
"url": "https://git.kernel.org/stable/c/2566ce907e5d5db8a039647208e029ce559baa31"
},
{
"url": "https://git.kernel.org/stable/c/7c0be4ead1f8f5f8be0803f347de0de81e3b8e1c"
}
],
"title": "block: mark GFP_NOIO around sysfs ->store()",
"x_generator": {
"engine": "bippy-1.2.0"
}
},
"adp": [
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"id": "CVE-2025-21817",
"role": "CISA Coordinator",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2026-11-05T20:35:34.232076Z"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-11-05T20:41:45.114Z"
}
}
]
}
}