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vuln-cve/data/2025/21xxx/CVE-2025-21745.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2025-21745",
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"state": "PUBLISHED",
"assignerShortName": "Linux",
"dateReserved": "2024-12-29T08:45:45.757Z",
"datePublished": "2025-02-27T02:12:17.853Z",
"dateUpdated": "2026-11-10T12:34:51.997Z"
},
"containers": {
"cna": {
"providerMetadata": {
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"shortName": "Linux",
"dateUpdated": "2026-05-11T21:05:36.361Z"
},
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nblk-cgroup: Fix class @block_class's subsystem refcount leakage\n\nblkcg_fill_root_iostats() iterates over @block_class's devices by\nclass_dev_iter_(init|next)(), but does not end iterating with\nclass_dev_iter_exit(), so causes the class's subsystem refcount leakage.\n\nFix by ending the iterating with class_dev_iter_exit()."
}
],
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{
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"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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{
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"vendor": "Linux",
"defaultStatus": "affected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
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],
"versions": [
{
"version": "5.9",
"status": "affected"
},
{
"version": "0",
"lessThan": "5.9",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.10.235",
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.15.179",
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
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},
{
"version": "6.1.129",
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{
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},
{
"version": "6.12.14",
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
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},
{
"version": "6.13.3",
"lessThanOrEqual": "6.13.*",
"status": "unaffected",
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},
{
"version": "6.14",
"lessThanOrEqual": "*",
"status": "unaffected",
"versionType": "original_commit_for_fix"
}
]
}
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"cpeApplicability": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.9",
"versionEndExcluding": "5.10.235"
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{
"vulnerable": true,
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{
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{
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{
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"references": [
{
"url": "https://git.kernel.org/stable/c/ffb494f1e7a047bd7a41b13796fcfb08fe5beafb"
},
{
"url": "https://git.kernel.org/stable/c/38287f779b34dfe959b4b681e909f2d3d52b88be"
},
{
"url": "https://git.kernel.org/stable/c/431b6ef2714be4d5babb802114987541a88b43b0"
},
{
"url": "https://git.kernel.org/stable/c/993121481b5a87829f1e8163f47158b72679f309"
},
{
"url": "https://git.kernel.org/stable/c/2ce09aabe009453d641a2ceb79e6461a2d4f3876"
},
{
"url": "https://git.kernel.org/stable/c/67c7f213e052b1aa6caba4a7e25e303bc6997126"
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{
"url": "https://git.kernel.org/stable/c/d1248436cbef1f924c04255367ff4845ccd9025e"
}
],
"title": "blk-cgroup: Fix class @block_class's subsystem refcount leakage",
"x_generator": {
"engine": "bippy-1.2.0"
}
},
"adp": [
{
"title": "CVE Program Container",
"references": [
{
"url": "https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html"
},
{
"url": "https://lists.debian.org/debian-lts-announce/2025/03/msg00028.html"
}
],
"providerMetadata": {
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE",
"dateUpdated": "2025-11-03T19:36:50.044Z"
}
},
{
"x_adpType": "supplier",
"providerMetadata": {
"orgId": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e",
"shortName": "siemens-SADP",
"dateUpdated": "2026-11-10T12:34:51.997Z"
},
"affected": [
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"vendor": "Siemens",
"product": "SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AB0)",
"versions": [
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{
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}
}
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