{"id":"CVE-2026-97486","state":"PUBLISHED","title":"hpfs: handle set_blocksize failures","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nhpfs: handle set_blocksize failures\n\nhpfs uses buffer_heads, which don't handle block size > PAGE_SIZE well.\nWithout this, mounting will hit the\n\n        BUG_ON(offset >= folio_size(folio));\n\nin folio_set_bh on the first __bread_gfp call.","publishedAt":"2026-09-24T16:04:30.711Z","updatedAt":"2026-10-03T10:58:50.727Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"f7b0cde62edb8ceff8bcc17ba3f1b086646fff89","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"b618f681acb6748faf95eee9af2aac5455a74e68","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"10f226687bcb07ed925a453b6f25e817165d113b","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"0451927f42b0282d80d402e8e8c46ff34e9f606f","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"fc79fcc78cb771f2a803e52149cac5ca9050fd05","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"f27e21cf3c0446a3536ea9b588a78a46b0a2cb66","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"a405996f23e04942aad064ab8d50c55827482872","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/hpfs/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/hpfs/super.c"]}],"references":["https://git.kernel.org/stable/c/f7b0cde62edb8ceff8bcc17ba3f1b086646fff89","https://git.kernel.org/stable/c/b618f681acb6748faf95eee9af2aac5455a74e68","https://git.kernel.org/stable/c/10f226687bcb07ed925a453b6f25e817165d113b","https://git.kernel.org/stable/c/0451927f42b0282d80d402e8e8c46ff34e9f606f","https://git.kernel.org/stable/c/fc79fcc78cb771f2a803e52149cac5ca9050fd05","https://git.kernel.org/stable/c/f27e21cf3c0446a3536ea9b588a78a46b0a2cb66","https://git.kernel.org/stable/c/a405996f23e04942aad064ab8d50c55827482872"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:43.249Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/97xxx/CVE-2026-97486.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-97486","state":"PUBLISHED","datePublished":"2026-09-24T16:04:30.711Z","dateUpdated":"2026-10-03T10:58:50.727Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-24T16:01:01.150Z"},"containers":{"cna":{"title":"hpfs: handle set_blocksize failures","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nhpfs: handle set_blocksize failures\n\nhpfs uses buffer_heads, which don't handle block size > PAGE_SIZE well.\nWithout this, mounting 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":"f7b0cde62edb8ceff8bcc17ba3f1b086646fff89","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"b618f681acb6748faf95eee9af2aac5455a74e68","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"10f226687bcb07ed925a453b6f25e817165d113b","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"0451927f42b0282d80d402e8e8c46ff34e9f606f","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"fc79fcc78cb771f2a803e52149cac5ca9050fd05","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"f27e21cf3c0446a3536ea9b588a78a46b0a2cb66","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"a405996f23e04942aad064ab8d50c55827482872","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/hpfs/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/hpfs/super.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/f7b0cde62edb8ceff8bcc17ba3f1b086646fff89"},{"url":"https://git.kernel.org/stable/c/b618f681acb6748faf95eee9af2aac5455a74e68"},{"url":"https://git.kernel.org/stable/c/10f226687bcb07ed925a453b6f25e817165d113b"},{"url":"https://git.kernel.org/stable/c/0451927f42b0282d80d402e8e8c46ff34e9f606f"},{"url":"https://git.kernel.org/stable/c/fc79fcc78cb771f2a803e52149cac5ca9050fd05"},{"url":"https://git.kernel.org/stable/c/f27e21cf3c0446a3536ea9b588a78a46b0a2cb66"},{"url":"https://git.kernel.org/stable/c/a405996f23e04942aad064ab8d50c55827482872"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-03T10:58:50.727Z"},"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"}}}}}