{"id":"CVE-2026-97490","title":"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(offs…","summary":"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(offs…","severity":"medium","cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-617"],"vendor":"Linux","product":"Linux","affected":["Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < f5d65b2811872e8f8b424860fa7c2500afbbc5a6","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < c7f29c5d999093629712c63792abda89a36b428d","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < d05b0ee9b42cb3cc499272d1bc91609f7492a1a8","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < ea8a4a9f3cc101207611be724a8b83838de9a93f","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < bb45146a661934ef801f8fc62f88cdbcf6584ed1","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < e01af5aa641039e000af855f448475316f0550fc","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 0861182af5983a39bd2a891966436c5679b74a45","Linux 2.6.12"],"published":"2026-09-24","updated":"2026-10-03","sourceUpdated":"2026-10-03T11:17:59.030","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-97490","references":[{"url":"https://git.kernel.org/stable/c/0861182af5983a39bd2a891966436c5679b74a45","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/bb45146a661934ef801f8fc62f88cdbcf6584ed1","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/c7f29c5d999093629712c63792abda89a36b428d","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/d05b0ee9b42cb3cc499272d1bc91609f7492a1a8","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/e01af5aa641039e000af855f448475316f0550fc","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/ea8a4a9f3cc101207611be724a8b83838de9a93f","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/f5d65b2811872e8f8b424860fa7c2500afbbc5a6","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-97490.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-97490"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2540494"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-97490"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-97490"},{"url":"https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-97490.mbox"}],"tags":["nvd","cve.org","csaf","vex","red-hat"],"epss":0.00173,"epssPercentile":0.06623,"cvssSource":"vendor","ingestedAt":"2026-09-24T16:47:15.867Z","slug":"CVE-2026-97490","body":"## Overview\n\nIn 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Vendor advisories\n\n- **Red Hat VEX** · Moderate · updated 2026-09-29 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-97490.json)","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":213443,"id":"CVE-2026-97490","ts":1790754722722,"field":"cvss","old":null,"new":"5.5"},{"seq":213442,"id":"CVE-2026-97490","ts":1790754722722,"field":"severity","old":"none","new":"medium"}]}