{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2022-50285", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-09-15T13:58:00.977Z", "datePublished": "2025-09-15T14:21:21.504Z", "dateUpdated": "2025-09-15T14:21:21.504Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-09-15T14:21:21.504Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmm,hugetlb: take hugetlb_lock before decrementing h->resv_huge_pages\n\nThe h->*_huge_pages counters are protected by the hugetlb_lock, but\nalloc_huge_page has a corner case where it can decrement the counter\noutside of the lock.\n\nThis could lead to a corrupted value of h->resv_huge_pages, which we have\nobserved on our systems.\n\nTake the hugetlb_lock before decrementing h->resv_huge_pages to avoid a\npotential race."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["mm/hugetlb.c"], "versions": [{"version": "a88c769548047b21f76fd71e04b6a3300ff17160", "lessThan": "3e50a07b6a5fcd39df1534d3fdaca4292a65efe6", "status": "affected", "versionType": "git"}, {"version": "a88c769548047b21f76fd71e04b6a3300ff17160", "lessThan": "629c986e19fe9481227c7cdfd9a105bbc104d245", "status": "affected", "versionType": "git"}, {"version": "a88c769548047b21f76fd71e04b6a3300ff17160", "lessThan": "2b35432d324898ec41beb27031d2a1a864a4d40e", "status": "affected", "versionType": "git"}, {"version": "a88c769548047b21f76fd71e04b6a3300ff17160", "lessThan": "11993652d0b49e27272db0a37aa828d8a3a4b92b", "status": "affected", "versionType": "git"}, {"version": "a88c769548047b21f76fd71e04b6a3300ff17160", "lessThan": "568e3812b1778b4c0c229649b59977d88f400ece", "status": "affected", "versionType": "git"}, {"version": "a88c769548047b21f76fd71e04b6a3300ff17160", "lessThan": "112a005d1ded04a4b41b6d01833cc0bda90625cc", "status": "affected", "versionType": "git"}, {"version": "a88c769548047b21f76fd71e04b6a3300ff17160", "lessThan": "c828fab903725279aa9dc6ae3d44bb7e4778f92c", "status": "affected", "versionType": "git"}, {"version": "a88c769548047b21f76fd71e04b6a3300ff17160", "lessThan": "12df140f0bdfae5dcfc81800970dd7f6f632e00c", "status": "affected", "versionType": "git"}, {"version": "3f5fae4d1a3189d95b02b4b45e1218df147122bc", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["mm/hugetlb.c"], "versions": [{"version": "4.4", "status": "affected"}, {"version": "0", "lessThan": "4.4", "status": "unaffected", "versionType": "semver"}, {"version": "4.9.332", "lessThanOrEqual": "4.9.*", "status": "unaffected", "versionType": "semver"}, {"version": "4.14.298", "lessThanOrEqual": "4.14.*", "status": "unaffected", "versionType": "semver"}, {"version": "4.19.264", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.4.223", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.153", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.76", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.0.6", "lessThanOrEqual": "6.0.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1", "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": "4.4", "versionEndExcluding": "4.9.332"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.4", "versionEndExcluding": "4.14.298"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.4", "versionEndExcluding": "4.19.264"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.4", "versionEndExcluding": "5.4.223"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.4", "versionEndExcluding": "5.10.153"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.4", "versionEndExcluding": "5.15.76"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.4", "versionEndExcluding": "6.0.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.4", "versionEndExcluding": "6.1"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.3.6"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/3e50a07b6a5fcd39df1534d3fdaca4292a65efe6"}, {"url": "https://git.kernel.org/stable/c/629c986e19fe9481227c7cdfd9a105bbc104d245"}, {"url": "https://git.kernel.org/stable/c/2b35432d324898ec41beb27031d2a1a864a4d40e"}, {"url": "https://git.kernel.org/stable/c/11993652d0b49e27272db0a37aa828d8a3a4b92b"}, {"url": "https://git.kernel.org/stable/c/568e3812b1778b4c0c229649b59977d88f400ece"}, {"url": "https://git.kernel.org/stable/c/112a005d1ded04a4b41b6d01833cc0bda90625cc"}, {"url": "https://git.kernel.org/stable/c/c828fab903725279aa9dc6ae3d44bb7e4778f92c"}, {"url": "https://git.kernel.org/stable/c/12df140f0bdfae5dcfc81800970dd7f6f632e00c"}], "title": "mm,hugetlb: take hugetlb_lock before decrementing h->resv_huge_pages", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmm,hugetlb: take hugetlb_lock before decrementing h->resv_huge_pages\n\nThe h->*_huge_pages counters are protected by the hugetlb_lock, but\nalloc_huge_page has a corner case where it can decrement the counter\noutside of the lock.\n\nThis could lead to a corrupted value of h->resv_huge_pages, which we have\nobserved on our systems.\n\nTake the hugetlb_lock before decrementing h->resv_huge_pages to avoid a\npotential race."}], "id": "CVE-2022-50285", "lastModified": "2025-09-15T15:22:27.090", "metrics": {}, "published": "2025-09-15T15:15:39.660", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/112a005d1ded04a4b41b6d01833cc0bda90625cc"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/11993652d0b49e27272db0a37aa828d8a3a4b92b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/12df140f0bdfae5dcfc81800970dd7f6f632e00c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2b35432d324898ec41beb27031d2a1a864a4d40e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/3e50a07b6a5fcd39df1534d3fdaca4292a65efe6"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/568e3812b1778b4c0c229649b59977d88f400ece"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/629c986e19fe9481227c7cdfd9a105bbc104d245"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c828fab903725279aa9dc6ae3d44bb7e4778f92c"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{}

{}