{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-74644", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-15T05:44:03.923Z", "datePublished": "2026-08-22T15:32:21.899Z", "dateUpdated": "2026-08-22T15:32:21.899Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-22T15:32:21.899Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmm/damon/ops-common: putback folios on invalid migrate nid\n\ndamon_pa_migrate() and damos_va_migrate() isolate folios into a local list\nand then call damon_migrate_pages(). When target_nid is invalid\n(including the scheme default NUMA_NO_NODE / -1), damon_migrate_pages()\nreturns early without putting the folios back to the LRU.\n\nCallers then discard the list head while those folios remain isolated with\nan extra reference taken by folio_isolate_lru(). The pages stay off the\nLRU for as long as the mapping exists (anon active+inactive counts drop\nwhile RSS does not), and the leftover references can pin the pages after\nthe mapping is gone.\n\nPut the folios back on the invalid-nid path so ignored migration requests\nstill return them to the LRU."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["mm/damon/ops-common.c"], "versions": [{"version": "7e6c3130690a01076efdf45aa02ba5d5c16849a0", "lessThan": "460181e4bb47a57776c64f0832c2096de8878cb3", "status": "affected", "versionType": "git"}, {"version": "7e6c3130690a01076efdf45aa02ba5d5c16849a0", "lessThan": "cfef454862b7d2776e0955b873dd59af6b47cfcb", "status": "affected", "versionType": "git"}, {"version": "7e6c3130690a01076efdf45aa02ba5d5c16849a0", "lessThan": "5deb65c34e682e7c5f5df417a70e223e8fcc5f5a", "status": "affected", "versionType": "git"}, {"version": "7c303fa1f311aadc17fa82b7bbf776412adf45de", "status": "affected", "versionType": "git"}, {"version": "9d0c2d15aff96746f99a7c97221bb8ce5b62db19", "status": "affected", "versionType": "git"}, {"version": "6.12.44", "lessThan": "6.13", "status": "affected", "versionType": "semver"}, {"version": "6.16.4", "lessThan": "6.17", "status": "affected", "versionType": "semver"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["mm/damon/ops-common.c"], "versions": [{"version": "6.17", "status": "affected"}, {"version": "0", "lessThan": "6.17", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.45", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.9", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2", "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": "6.17", "versionEndExcluding": "6.18.45"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.17", "versionEndExcluding": "7.1.9"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.17", "versionEndExcluding": "7.2"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.12.44"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.16.4"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/460181e4bb47a57776c64f0832c2096de8878cb3"}, {"url": "https://git.kernel.org/stable/c/cfef454862b7d2776e0955b873dd59af6b47cfcb"}, {"url": "https://git.kernel.org/stable/c/5deb65c34e682e7c5f5df417a70e223e8fcc5f5a"}], "title": "mm/damon/ops-common: putback folios on invalid migrate nid", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["mm/damon/ops-common.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "460181e4bb47a57776c64f0832c2096de8878cb3", "status": "affected", "version": "7e6c3130690a01076efdf45aa02ba5d5c16849a0", "versionType": "git"}, {"lessThan": "cfef454862b7d2776e0955b873dd59af6b47cfcb", "status": "affected", "version": "7e6c3130690a01076efdf45aa02ba5d5c16849a0", "versionType": "git"}, {"lessThan": "5deb65c34e682e7c5f5df417a70e223e8fcc5f5a", "status": "affected", "version": "7e6c3130690a01076efdf45aa02ba5d5c16849a0", "versionType": "git"}, {"status": "affected", "version": "7c303fa1f311aadc17fa82b7bbf776412adf45de", "versionType": "git"}, {"status": "affected", "version": "9d0c2d15aff96746f99a7c97221bb8ce5b62db19", "versionType": "git"}, {"lessThan": "6.13", "status": "affected", "version": "6.12.44", "versionType": "semver"}, {"lessThan": "6.17", "status": "affected", "version": "6.16.4", "versionType": "semver"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["mm/damon/ops-common.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.17"}, {"lessThan": "6.17", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.45", "versionType": "semver"}, {"lessThanOrEqual": "7.1.*", "status": "unaffected", "version": "7.1.9", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.2", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmm/damon/ops-common: putback folios on invalid migrate nid\n\ndamon_pa_migrate() and damos_va_migrate() isolate folios into a local list\nand then call damon_migrate_pages(). When target_nid is invalid\n(including the scheme default NUMA_NO_NODE / -1), damon_migrate_pages()\nreturns early without putting the folios back to the LRU.\n\nCallers then discard the list head while those folios remain isolated with\nan extra reference taken by folio_isolate_lru(). The pages stay off the\nLRU for as long as the mapping exists (anon active+inactive counts drop\nwhile RSS does not), and the leftover references can pin the pages after\nthe mapping is gone.\n\nPut the folios back on the invalid-nid path so ignored migration requests\nstill return them to the LRU."}], "id": "CVE-2026-74644", "lastModified": "2026-08-22T16:16:37.730", "metrics": {}, "published": "2026-08-22T16:16:37.730", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/460181e4bb47a57776c64f0832c2096de8878cb3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/5deb65c34e682e7c5f5df417a70e223e8fcc5f5a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/cfef454862b7d2776e0955b873dd59af6b47cfcb"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[7e6c3130690a01076efdf45aa02ba5d5c16849a0,460181e4bb47a57776c64f0832c2096de8878cb3)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[7e6c3130690a01076efdf45aa02ba5d5c16849a0,cfef454862b7d2776e0955b873dd59af6b47cfcb)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[7e6c3130690a01076efdf45aa02ba5d5c16849a0,5deb65c34e682e7c5f5df417a70e223e8fcc5f5a)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "7c303fa1f311aadc17fa82b7bbf776412adf45de"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "9d0c2d15aff96746f99a7c97221bb8ce5b62db19"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[6.12.44,6.13)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[6.16.4,6.17)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "6.17"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,6.17)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.45,7.0.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.1.9,7.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-08-22T17:15:04.454058+00:00", "updated": "2026-08-22T19:30:17.296004+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-399", "CWE-400"]}