{"id":"CVE-2026-97488","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nqnx4: handle set_blocksize failures\n\nqnx4 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\nqnx4: handle set_blocksize failures\n\nqnx4 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 < de8bd760ca0c2a3f337bbafbeb1dcad0853787cc","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 3f2088a3973faf3ed9b56ea3d3f0240b9a797016","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < c9f03e750d9ddf0f42c24e3ba683f26e377ffd72","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < f83e416c2242fb298ad33b756c83aae75d9e359c","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < aac97a4b3f47c36a47f934aa679407b718b67537","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 60f7ccf669882262330171eda51a4f52fa2e69c9","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < c7d911ea1cc9a63b07e52f5e75b263be0615b289","Linux 2.6.12"],"published":"2026-09-24","updated":"2026-10-03","sourceUpdated":"2026-10-03T11:17:58.803","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-97488","references":[{"url":"https://git.kernel.org/stable/c/3f2088a3973faf3ed9b56ea3d3f0240b9a797016","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/60f7ccf669882262330171eda51a4f52fa2e69c9","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/aac97a4b3f47c36a47f934aa679407b718b67537","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/c7d911ea1cc9a63b07e52f5e75b263be0615b289","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/c9f03e750d9ddf0f42c24e3ba683f26e377ffd72","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/de8bd760ca0c2a3f337bbafbeb1dcad0853787cc","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/f83e416c2242fb298ad33b756c83aae75d9e359c","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-97488.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-97488"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2540557"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-97488"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-97488"},{"url":"https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-97488.mbox"}],"tags":["nvd","cve.org","csaf","vex","red-hat"],"epss":0.00173,"epssPercentile":0.06629,"cvssSource":"vendor","ingestedAt":"2026-09-24T16:47:15.868Z","slug":"CVE-2026-97488","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nqnx4: handle set_blocksize failures\n\nqnx4 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** · Low · affected: Red Hat Enterprise Linux 6 · no fix planned: Red Hat Enterprise Linux 6 · updated 2026-10-17 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-97488.json)","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":213431,"id":"CVE-2026-97488","ts":1790754720467,"field":"cvss","old":null,"new":"5.5"},{"seq":213430,"id":"CVE-2026-97488","ts":1790754720467,"field":"severity","old":"none","new":"medium"}]}