{"id":"CVE-2026-97546","state":"PUBLISHED","title":"xfs: don't spin forever on zero-length dirents when salvaging them","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nxfs: don't spin forever on zero-length dirents when salvaging them\n\nLOLLM noticed that xrep_dir_recover_data can spin forever if it\nencounters an unused dirent that claims to have length zero.  Fix that,\nand prevent the same thing from happening with a zero-length entry.","publishedAt":"2026-09-25T10:21:41.029Z","updatedAt":"2026-10-19T09:09:09.393Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"b1991ee3e7cf852e95a3498801303cfbb4468681","status":"affected","lessThan":"5442f0c56445618544a801fb4dae35aed87a1aaa","versionType":"git"},{"version":"b1991ee3e7cf852e95a3498801303cfbb4468681","status":"affected","lessThan":"08754ebfa5c28e8d57316b1bd7a5a921a5e2e762","versionType":"git"},{"version":"b1991ee3e7cf852e95a3498801303cfbb4468681","status":"affected","lessThan":"a455c83ce5dc1a2da33b1b84253d298372a8dfbd","versionType":"git"},{"version":"b1991ee3e7cf852e95a3498801303cfbb4468681","status":"affected","lessThan":"9f84792b40d0c96833341602144574bf0bd14a6a","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/xfs/scrub/dir_repair.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.10","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.10","versionType":"semver"},{"version":"6.12.111","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.53","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.7","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/xfs/scrub/dir_repair.c"]}],"references":["https://git.kernel.org/stable/c/5442f0c56445618544a801fb4dae35aed87a1aaa","https://git.kernel.org/stable/c/08754ebfa5c28e8d57316b1bd7a5a921a5e2e762","https://git.kernel.org/stable/c/a455c83ce5dc1a2da33b1b84253d298372a8dfbd","https://git.kernel.org/stable/c/9f84792b40d0c96833341602144574bf0bd14a6a"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:43.249Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/97xxx/CVE-2026-97546.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-97546","state":"PUBLISHED","datePublished":"2026-09-25T10:21:41.029Z","dateUpdated":"2026-10-19T09:09:09.393Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-24T16:01:01.154Z"},"containers":{"cna":{"title":"xfs: don't spin forever on zero-length dirents when salvaging them","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nxfs: don't spin forever on zero-length dirents when salvaging them\n\nLOLLM noticed that xrep_dir_recover_data can spin forever if it\nencounters an unused dirent that claims to have length zero.  Fix that,\nand prevent the same thing from happening with a zero-length entry."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"b1991ee3e7cf852e95a3498801303cfbb4468681","status":"affected","lessThan":"5442f0c56445618544a801fb4dae35aed87a1aaa","versionType":"git"},{"version":"b1991ee3e7cf852e95a3498801303cfbb4468681","status":"affected","lessThan":"08754ebfa5c28e8d57316b1bd7a5a921a5e2e762","versionType":"git"},{"version":"b1991ee3e7cf852e95a3498801303cfbb4468681","status":"affected","lessThan":"a455c83ce5dc1a2da33b1b84253d298372a8dfbd","versionType":"git"},{"version":"b1991ee3e7cf852e95a3498801303cfbb4468681","status":"affected","lessThan":"9f84792b40d0c96833341602144574bf0bd14a6a","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/xfs/scrub/dir_repair.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.10","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.10","versionType":"semver"},{"version":"6.12.111","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.53","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.7","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/xfs/scrub/dir_repair.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/5442f0c56445618544a801fb4dae35aed87a1aaa"},{"url":"https://git.kernel.org/stable/c/08754ebfa5c28e8d57316b1bd7a5a921a5e2e762"},{"url":"https://git.kernel.org/stable/c/a455c83ce5dc1a2da33b1b84253d298372a8dfbd"},{"url":"https://git.kernel.org/stable/c/9f84792b40d0c96833341602144574bf0bd14a6a"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-19T09:09:09.393Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.10","versionEndExcluding":"6.12.111"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.10","versionEndExcluding":"6.18.53"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.10","versionEndExcluding":"7.2.7"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.10","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}