167 lines
8.0 KiB
JSON
167 lines
8.0 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2025-39725",
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"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"state": "PUBLISHED",
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"assignerShortName": "Linux",
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"dateReserved": "2025-04-16T07:20:57.117Z",
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"datePublished": "2025-09-05T17:27:18.719Z",
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"dateUpdated": "2026-05-23T16:00:35.031Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"shortName": "Linux",
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"dateUpdated": "2026-05-23T16:00:35.031Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmm/vmscan: fix hwpoisoned large folio handling in shrink_folio_list\n\nIn shrink_folio_list(), the hwpoisoned folio may be large folio, which\ncan't be handled by unmap_poisoned_folio(). For THP, try_to_unmap_one()\nmust be passed with TTU_SPLIT_HUGE_PMD to split huge PMD first and then\nretry. Without TTU_SPLIT_HUGE_PMD, we will trigger null-ptr deref of\npvmw.pte. Even we passed TTU_SPLIT_HUGE_PMD, we will trigger a\nWARN_ON_ONCE due to the page isn't in swapcache.\n\nSince UCE is rare in real world, and race with reclaimation is more rare,\njust skipping the hwpoisoned large folio is enough. memory_failure() will\nhandle it if the UCE is triggered again.\n\nThis happens when memory reclaim for large folio races with\nmemory_failure(), and will lead to kernel panic. The race is as\nfollows:\n\ncpu0 cpu1\n shrink_folio_list memory_failure\n TestSetPageHWPoison\n unmap_poisoned_folio\n --> trigger BUG_ON due to\n unmap_poisoned_folio couldn't\n handle large folio\n\n[tujinjiang@huawei.com: add comment to unmap_poisoned_folio()]"
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}
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],
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"affected": [
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "unaffected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"mm/memory-failure.c",
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"mm/vmscan.c"
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],
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"versions": [
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{
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"version": "1c9798bf8145a92abf45aa9d38a6406d9eb8bdf0",
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"lessThan": "656eaddbc952e1baae2f69281c22debe22140312",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "1b0449544c6482179ac84530b61fc192a6527bfd",
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"lessThan": "c1101113d45838a823188ae25c61af97552a28ae",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "1b0449544c6482179ac84530b61fc192a6527bfd",
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"lessThan": "9f1e8cd0b7c4c944e9921b52a6661b5eda2705ab",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "912e9f0300c3564b72a8808db406e313193a37ad",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "6.12.26",
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"lessThan": "6.12.41",
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"status": "affected",
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"versionType": "semver"
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},
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{
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"version": "6.14.5",
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"lessThan": "6.15",
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"status": "affected",
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"versionType": "semver"
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}
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]
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},
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "affected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"mm/memory-failure.c",
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"mm/vmscan.c"
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],
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"versions": [
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{
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"version": "6.15",
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"status": "affected"
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},
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{
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"version": "0",
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"lessThan": "6.15",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.12.41",
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"lessThanOrEqual": "6.12.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.15.9",
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"lessThanOrEqual": "6.15.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.16",
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"lessThanOrEqual": "*",
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"status": "unaffected",
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"versionType": "original_commit_for_fix"
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}
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]
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}
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],
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"cpeApplicability": [
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{
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"nodes": [
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{
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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "6.12.26",
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"versionEndExcluding": "6.12.41"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "6.15",
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"versionEndExcluding": "6.15.9"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "6.15",
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"versionEndExcluding": "6.16"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "6.14.5"
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}
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]
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}
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]
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}
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],
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"references": [
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{
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"url": "https://git.kernel.org/stable/c/656eaddbc952e1baae2f69281c22debe22140312"
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},
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{
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"url": "https://git.kernel.org/stable/c/c1101113d45838a823188ae25c61af97552a28ae"
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},
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{
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"url": "https://git.kernel.org/stable/c/9f1e8cd0b7c4c944e9921b52a6661b5eda2705ab"
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}
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],
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"title": "mm/vmscan: fix hwpoisoned large folio handling in shrink_folio_list",
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"x_generator": {
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"engine": "bippy-1.2.0"
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}
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}
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}
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} |