{"id":"CVE-2026-97486","title":"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 …","summary":"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 …","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 < f7b0cde62edb8ceff8bcc17ba3f1b086646fff89","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < b618f681acb6748faf95eee9af2aac5455a74e68","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 10f226687bcb07ed925a453b6f25e817165d113b","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 0451927f42b0282d80d402e8e8c46ff34e9f606f","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < fc79fcc78cb771f2a803e52149cac5ca9050fd05","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < f27e21cf3c0446a3536ea9b588a78a46b0a2cb66","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < a405996f23e04942aad064ab8d50c55827482872","Linux 2.6.12"],"published":"2026-09-24","updated":"2026-10-03","sourceUpdated":"2026-10-03T11:17:58.577","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-97486","references":[{"url":"https://git.kernel.org/stable/c/0451927f42b0282d80d402e8e8c46ff34e9f606f","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/10f226687bcb07ed925a453b6f25e817165d113b","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/a405996f23e04942aad064ab8d50c55827482872","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/b618f681acb6748faf95eee9af2aac5455a74e68","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/f27e21cf3c0446a3536ea9b588a78a46b0a2cb66","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/f7b0cde62edb8ceff8bcc17ba3f1b086646fff89","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/fc79fcc78cb771f2a803e52149cac5ca9050fd05","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-97486.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-97486"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2540427"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-97486"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-97486"},{"url":"https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-97486.mbox"}],"tags":["nvd","cve.org","csaf","vex","red-hat"],"epss":0.00173,"epssPercentile":0.06629,"cvssSource":"vendor","ingestedAt":"2026-09-24T16:47:15.870Z","slug":"CVE-2026-97486","body":"## Overview\n\nIn 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.\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 2026-09-30 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-97486.json)","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":213369,"id":"CVE-2026-97486","ts":1790754700468,"field":"cvss","old":null,"new":"5.5"},{"seq":213368,"id":"CVE-2026-97486","ts":1790754700468,"field":"severity","old":"none","new":"medium"}]}