{"id":"CVE-2026-97550","state":"PUBLISHED","title":"xfs: fix unit conversions in per_binval computation","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nxfs: fix unit conversions in per_binval computation\n\nLOLLM noticed that we're doing the unit conversion in the per_binval\ncomputation backwards -- xfs_buf_inval_log_space's second parameter is\nsupposed to be in bytes, but max_binval is in units of fsblocks.  Hence\nthe conversion should be FSB -> B, not the other way around.","publishedAt":"2026-09-25T10:21:43.450Z","updatedAt":"2026-10-19T09:09:13.372Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"b2311ec6778fcde9d40cd9e22899f8bd594d8465","status":"affected","lessThan":"b5089a328acc83fe2f23127a79397a0bfd9ebc33","versionType":"git"},{"version":"b2311ec6778fcde9d40cd9e22899f8bd594d8465","status":"affected","lessThan":"cfeba3bdf4dfa405e29f4ee13a20e9063fd0b7ef","versionType":"git"},{"version":"b2311ec6778fcde9d40cd9e22899f8bd594d8465","status":"affected","lessThan":"05cff7c2b79f76c7cfe90613a60e16aaaa051ef7","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/xfs/scrub/reap.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.18","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.18","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/reap.c"]}],"references":["https://git.kernel.org/stable/c/b5089a328acc83fe2f23127a79397a0bfd9ebc33","https://git.kernel.org/stable/c/cfeba3bdf4dfa405e29f4ee13a20e9063fd0b7ef","https://git.kernel.org/stable/c/05cff7c2b79f76c7cfe90613a60e16aaaa051ef7"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:43.249Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/97xxx/CVE-2026-97550.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-97550","state":"PUBLISHED","datePublished":"2026-09-25T10:21:43.450Z","dateUpdated":"2026-10-19T09:09:13.372Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-24T16:01:01.154Z"},"containers":{"cna":{"title":"xfs: fix unit conversions in per_binval computation","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nxfs: fix unit conversions in per_binval computation\n\nLOLLM noticed that we're doing the unit conversion in the per_binval\ncomputation backwards -- xfs_buf_inval_log_space's second parameter is\nsupposed to be in bytes, but max_binval is in units of fsblocks.  Hence\nthe conversion should be FSB -> B, not the other way around."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"b2311ec6778fcde9d40cd9e22899f8bd594d8465","status":"affected","lessThan":"b5089a328acc83fe2f23127a79397a0bfd9ebc33","versionType":"git"},{"version":"b2311ec6778fcde9d40cd9e22899f8bd594d8465","status":"affected","lessThan":"cfeba3bdf4dfa405e29f4ee13a20e9063fd0b7ef","versionType":"git"},{"version":"b2311ec6778fcde9d40cd9e22899f8bd594d8465","status":"affected","lessThan":"05cff7c2b79f76c7cfe90613a60e16aaaa051ef7","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/xfs/scrub/reap.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.18","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.18","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/reap.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/b5089a328acc83fe2f23127a79397a0bfd9ebc33"},{"url":"https://git.kernel.org/stable/c/cfeba3bdf4dfa405e29f4ee13a20e9063fd0b7ef"},{"url":"https://git.kernel.org/stable/c/05cff7c2b79f76c7cfe90613a60e16aaaa051ef7"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-19T09:09:13.372Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.18","versionEndExcluding":"6.18.53"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.18","versionEndExcluding":"7.2.7"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.18","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}