{"id":"CVE-2026-93257","state":"PUBLISHED","title":"block: handle nogenerate/noverify properly in fs-integrity","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nblock: handle nogenerate/noverify properly in fs-integrity\n\nCheck the BIP_CHECK flags before generating or verifying PI information,\notherwise this can be incorrectly called for non-PI metadata and\ncause generation of incorrect metadata and crashed in the verification\nhandler.\n\nThe new behavior matches that of the block layer auto-generated\nmetadata.","publishedAt":"2026-09-24T15:51:43.978Z","updatedAt":"2026-10-19T09:08:10.647Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"0bde8a12b5540572a7fd6d2867bee6de15e4f289","status":"affected","lessThan":"b681c740e6d645f7d7477e9208db57917c6c0fbc","versionType":"git"},{"version":"0bde8a12b5540572a7fd6d2867bee6de15e4f289","status":"affected","lessThan":"3bf9a21e7bccfd8c35b440efd114c61cc9838a41","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["block/bio-integrity-fs.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"7.1","status":"affected"},{"version":"0","status":"unaffected","lessThan":"7.1","versionType":"semver"},{"version":"7.2.6","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":["block/bio-integrity-fs.c"]}],"references":["https://git.kernel.org/stable/c/b681c740e6d645f7d7477e9208db57917c6c0fbc","https://git.kernel.org/stable/c/3bf9a21e7bccfd8c35b440efd114c61cc9838a41"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:34.582Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/93xxx/CVE-2026-93257.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-93257","state":"PUBLISHED","datePublished":"2026-09-24T15:51:43.978Z","dateUpdated":"2026-10-19T09:08:10.647Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-17T16:02:15.097Z"},"containers":{"cna":{"title":"block: handle nogenerate/noverify properly in fs-integrity","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nblock: handle nogenerate/noverify properly in fs-integrity\n\nCheck the BIP_CHECK flags before generating or verifying PI information,\notherwise this can be incorrectly called for non-PI metadata and\ncause generation of incorrect metadata and crashed in the verification\nhandler.\n\nThe new behavior matches that of the block layer auto-generated\nmetadata."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"0bde8a12b5540572a7fd6d2867bee6de15e4f289","status":"affected","lessThan":"b681c740e6d645f7d7477e9208db57917c6c0fbc","versionType":"git"},{"version":"0bde8a12b5540572a7fd6d2867bee6de15e4f289","status":"affected","lessThan":"3bf9a21e7bccfd8c35b440efd114c61cc9838a41","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["block/bio-integrity-fs.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"7.1","status":"affected"},{"version":"0","status":"unaffected","lessThan":"7.1","versionType":"semver"},{"version":"7.2.6","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":["block/bio-integrity-fs.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/b681c740e6d645f7d7477e9208db57917c6c0fbc"},{"url":"https://git.kernel.org/stable/c/3bf9a21e7bccfd8c35b440efd114c61cc9838a41"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-19T09:08:10.647Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"7.1","versionEndExcluding":"7.2.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"7.1","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}