CVE-2026-80957

{"id": "CVE-2026-80957", "cveTags": [], "metrics": {}, "affected": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "affectedData": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "1d57628ff95b32d5cfa8d8f50e07690c161e9cf0", "lessThan": "663ee2f3824a505b983162de44134e789f8230da", "versionType": "git"}, {"status": "affected", "version": "1d57628ff95b32d5cfa8d8f50e07690c161e9cf0", "lessThan": "5311dfc5cd70edccd110257e3f30b2c1dcd3768d", "versionType": "git"}, {"status": "affected", "version": "1d57628ff95b32d5cfa8d8f50e07690c161e9cf0", "lessThan": "16c3b3a326e70f246a605b3dc27b7f83ba4743e3", "versionType": "git"}], "programFiles": ["drivers/md/dm-pcache/cache_key.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "6.18"}, {"status": "unaffected", "version": "0", "lessThan": "6.18", "versionType": "semver"}, {"status": "unaffected", "version": "6.18.50", "versionType": "semver", "lessThanOrEqual": "6.18.*"}, {"status": "unaffected", "version": "7.2.4", "versionType": "semver", "lessThanOrEqual": "7.2.*"}, {"status": "unaffected", "version": "7.3-rc1", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["drivers/md/dm-pcache/cache_key.c"], "defaultStatus": "affected"}]}], "published": "2026-09-11T20:19:01.520", "references": [{"url": "https://git.kernel.org/stable/c/16c3b3a326e70f246a605b3dc27b7f83ba4743e3", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/5311dfc5cd70edccd110257e3f30b2c1dcd3768d", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/663ee2f3824a505b983162de44134e789f8230da", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Received", "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndm-pcache: detect a cycle in the last-kset chain during replay\n\ncache_replay() follows the on-media last-kset chain by next_cache_seg_id\nwith no cond_resched(). A forged chain that points back into a segment it\nhas already visited makes the replay loop follow it forever.\n\nCap the last-kset hops at cache->n_segs; a valid chain visits each segment\nat most once."}], "lastModified": "2026-09-11T20:19:01.520", "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}