{"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"}}}}