{"id":"CVE-2026-89829","published":"2026-09-16T11:16:49.620","lastModified":"2026-09-16T15:18:11.667","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nf2fs: fix to pass folio->index to f2fs_sanity_check_node_footer()\n\nOtherwise in f2fs_sanity_check_node_footer(), it will check the\nsame nid incorrectly.","cvssScore":7.8,"cvssSeverity":"HIGH","cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cwes":[],"vendors":[],"products":[],"references":[{"url":"https://git.kernel.org/stable/c/0b196c07407f48a41cd9741cf53e10cb1e23d2e5","tags":[]},{"url":"https://git.kernel.org/stable/c/7e188e9f9437ab47c3237d609f1b26348d6fea1a","tags":[]},{"url":"https://git.kernel.org/stable/c/a984446aa9d5b787afa3023fc7b44017b80fe3bc","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":{"summary":"This flaw in the Linux kernel's F2FS file system allows incorrect node ID checks, potentially leading to data corruption or system instability.","exploitability":"Exploitation requires kernel-level access and specific conditions, making it moderately difficult.","blast_radius":"If exploited, the vulnerability could result in data corruption or system crashes, impacting system integrity and availability.","remediation":"Upgrade to the fixed version 5.19.61 or later.","detection":"No reliable host or network indicator is derivable from the published description.","tags":["kernel","f2fs","data-corruption","stability"],"model":"qwen2.5:7b-instruct","analyzedAt":"2026-10-08T08:43:21.721Z"}}