{"id":"CVE-2026-97490","state":"PUBLISHED","title":"affs: handle set_blocksize failures","description":"In the Linux kernel, the following vulnerability has been resolved:\n\naffs: handle set_blocksize failures\n\naffs uses buffer_heads, which don't handle block size > PAGE_SIZE well.\nWithout this, mounting we will hit the\n\n        BUG_ON(offset >= folio_size(folio));\n\nin folio_set_bh on the first __bread_gfp call.","publishedAt":"2026-09-24T16:04:38.623Z","updatedAt":"2026-10-03T10:58:55.076Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"f5d65b2811872e8f8b424860fa7c2500afbbc5a6","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"c7f29c5d999093629712c63792abda89a36b428d","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"d05b0ee9b42cb3cc499272d1bc91609f7492a1a8","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"ea8a4a9f3cc101207611be724a8b83838de9a93f","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"bb45146a661934ef801f8fc62f88cdbcf6584ed1","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"e01af5aa641039e000af855f448475316f0550fc","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"0861182af5983a39bd2a891966436c5679b74a45","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/affs/affs.h","fs/affs/super.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.12","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.12","versionType":"semver"},{"version":"5.10.271","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.222","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.189","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.158","status":"unaffected","lessThanOrEqual":"6.6.*","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","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/affs/affs.h","fs/affs/super.c"]}],"references":["https://git.kernel.org/stable/c/f5d65b2811872e8f8b424860fa7c2500afbbc5a6","https://git.kernel.org/stable/c/c7f29c5d999093629712c63792abda89a36b428d","https://git.kernel.org/stable/c/d05b0ee9b42cb3cc499272d1bc91609f7492a1a8","https://git.kernel.org/stable/c/ea8a4a9f3cc101207611be724a8b83838de9a93f","https://git.kernel.org/stable/c/bb45146a661934ef801f8fc62f88cdbcf6584ed1","https://git.kernel.org/stable/c/e01af5aa641039e000af855f448475316f0550fc","https://git.kernel.org/stable/c/0861182af5983a39bd2a891966436c5679b74a45"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:43.249Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/97xxx/CVE-2026-97490.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-97490","state":"PUBLISHED","datePublished":"2026-09-24T16:04:38.623Z","dateUpdated":"2026-10-03T10:58:55.076Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-24T16:01:01.150Z"},"containers":{"cna":{"title":"affs: handle set_blocksize failures","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\naffs: handle set_blocksize failures\n\naffs uses buffer_heads, which don't handle block size > PAGE_SIZE well.\nWithout this, mounting we will hit the\n\n        BUG_ON(offset >= folio_size(folio));\n\nin folio_set_bh on the first __bread_gfp call."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"f5d65b2811872e8f8b424860fa7c2500afbbc5a6","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"c7f29c5d999093629712c63792abda89a36b428d","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"d05b0ee9b42cb3cc499272d1bc91609f7492a1a8","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"ea8a4a9f3cc101207611be724a8b83838de9a93f","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"bb45146a661934ef801f8fc62f88cdbcf6584ed1","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"e01af5aa641039e000af855f448475316f0550fc","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"0861182af5983a39bd2a891966436c5679b74a45","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/affs/affs.h","fs/affs/super.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.12","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.12","versionType":"semver"},{"version":"5.10.271","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.222","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.189","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.158","status":"unaffected","lessThanOrEqual":"6.6.*","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","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/affs/affs.h","fs/affs/super.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/f5d65b2811872e8f8b424860fa7c2500afbbc5a6"},{"url":"https://git.kernel.org/stable/c/c7f29c5d999093629712c63792abda89a36b428d"},{"url":"https://git.kernel.org/stable/c/d05b0ee9b42cb3cc499272d1bc91609f7492a1a8"},{"url":"https://git.kernel.org/stable/c/ea8a4a9f3cc101207611be724a8b83838de9a93f"},{"url":"https://git.kernel.org/stable/c/bb45146a661934ef801f8fc62f88cdbcf6584ed1"},{"url":"https://git.kernel.org/stable/c/e01af5aa641039e000af855f448475316f0550fc"},{"url":"https://git.kernel.org/stable/c/0861182af5983a39bd2a891966436c5679b74a45"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-03T10:58:55.076Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"5.10.271"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"5.15.222"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"6.1.189"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"6.6.158"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"6.12.111"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"6.18.53"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"7.2"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}