{"id":"CVE-2026-97489","state":"PUBLISHED","title":"bfs: handle set_blocksize failures","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nbfs: handle set_blocksize failures\n\nbfs uses buffer_heads, which don't handle block size > PAGE_SIZE well.\nWithout this, mounting will hit the\n\n\tBUG_ON(offset >= folio_size(folio));\n\nin folio_set_bh on the first __bread_gfp call.","publishedAt":"2026-09-24T16:04:37.759Z","updatedAt":"2026-10-03T10:58:53.984Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"965b53ee91cfda3faf8bd0d0ffff5f70c7d1c479","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"0fe260d82555ffebfb627cd23cbb6e880399804c","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"c6d069c34d57414c039167967ef826a8516c98f3","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"8a96010d230a8c83181137d88bad4bf71d862628","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"7cc713b29eecc0189a184e82f42d174fddaa9e1e","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"ab1d6160d26e6ee8939e994999be9b45e90a42ef","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"2430e3380936df0b648af720cae624eef035a2d1","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/bfs/inode.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/bfs/inode.c"]}],"references":["https://git.kernel.org/stable/c/965b53ee91cfda3faf8bd0d0ffff5f70c7d1c479","https://git.kernel.org/stable/c/0fe260d82555ffebfb627cd23cbb6e880399804c","https://git.kernel.org/stable/c/c6d069c34d57414c039167967ef826a8516c98f3","https://git.kernel.org/stable/c/8a96010d230a8c83181137d88bad4bf71d862628","https://git.kernel.org/stable/c/7cc713b29eecc0189a184e82f42d174fddaa9e1e","https://git.kernel.org/stable/c/ab1d6160d26e6ee8939e994999be9b45e90a42ef","https://git.kernel.org/stable/c/2430e3380936df0b648af720cae624eef035a2d1"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:43.249Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/97xxx/CVE-2026-97489.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-97489","state":"PUBLISHED","datePublished":"2026-09-24T16:04:37.759Z","dateUpdated":"2026-10-03T10:58:53.984Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-24T16:01:01.150Z"},"containers":{"cna":{"title":"bfs: handle set_blocksize failures","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nbfs: handle set_blocksize failures\n\nbfs uses buffer_heads, which don't handle block size > PAGE_SIZE well.\nWithout this, mounting will hit the\n\n\tBUG_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":"965b53ee91cfda3faf8bd0d0ffff5f70c7d1c479","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"0fe260d82555ffebfb627cd23cbb6e880399804c","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"c6d069c34d57414c039167967ef826a8516c98f3","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"8a96010d230a8c83181137d88bad4bf71d862628","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"7cc713b29eecc0189a184e82f42d174fddaa9e1e","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"ab1d6160d26e6ee8939e994999be9b45e90a42ef","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"2430e3380936df0b648af720cae624eef035a2d1","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/bfs/inode.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/bfs/inode.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/965b53ee91cfda3faf8bd0d0ffff5f70c7d1c479"},{"url":"https://git.kernel.org/stable/c/0fe260d82555ffebfb627cd23cbb6e880399804c"},{"url":"https://git.kernel.org/stable/c/c6d069c34d57414c039167967ef826a8516c98f3"},{"url":"https://git.kernel.org/stable/c/8a96010d230a8c83181137d88bad4bf71d862628"},{"url":"https://git.kernel.org/stable/c/7cc713b29eecc0189a184e82f42d174fddaa9e1e"},{"url":"https://git.kernel.org/stable/c/ab1d6160d26e6ee8939e994999be9b45e90a42ef"},{"url":"https://git.kernel.org/stable/c/2430e3380936df0b648af720cae624eef035a2d1"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-03T10:58:53.984Z"},"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"}}}}}