CVE-2026-80820

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-80820", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-26T14:34:25.795Z", "datePublished": "2026-09-04T15:13:41.355Z", "dateUpdated": "2026-09-04T15:13:41.355Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-09-04T15:13:41.355Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nxfs: don't livelock in scrub on a circular unlinked list\n\nLOLLM points out that online fsck can livelock if an unlinked inode list\ncontains a loop. Use a bitmap to detect cycles."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/xfs/scrub/agheader.c", "fs/xfs/scrub/agheader_repair.c"], "versions": [{"version": "a12890aebb895951720ff884eab1c99a30645b29", "lessThan": "599453f83458b57995290a1d31200c263e2c2691", "status": "affected", "versionType": "git"}, {"version": "a12890aebb895951720ff884eab1c99a30645b29", "lessThan": "159d162fe80bd56573cafde5801bd5a90a3dd1ac", "status": "affected", "versionType": "git"}, {"version": "a12890aebb895951720ff884eab1c99a30645b29", "lessThan": "56407a61a8bb85b884de802d39635abdb0ea7408", "status": "affected", "versionType": "git"}, {"version": "a12890aebb895951720ff884eab1c99a30645b29", "lessThan": "527eaaefddb6ec5c83a06c9a1559960dd6361753", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/xfs/scrub/agheader.c", "fs/xfs/scrub/agheader_repair.c"], "versions": [{"version": "4.15", "status": "affected"}, {"version": "0", "lessThan": "4.15", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.106", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.47", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.11", "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": "4.15", "versionEndExcluding": "6.12.106"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.15", "versionEndExcluding": "6.18.47"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.15", "versionEndExcluding": "7.1.11"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.15", "versionEndExcluding": "7.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/599453f83458b57995290a1d31200c263e2c2691"}, {"url": "https://git.kernel.org/stable/c/159d162fe80bd56573cafde5801bd5a90a3dd1ac"}, {"url": "https://git.kernel.org/stable/c/56407a61a8bb85b884de802d39635abdb0ea7408"}, {"url": "https://git.kernel.org/stable/c/527eaaefddb6ec5c83a06c9a1559960dd6361753"}], "title": "xfs: don't livelock in scrub on a circular unlinked list", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

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{}

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