{"cve":"CVE-2026-89954","nvd":{"published":"2026-09-16T11:17:05.667","modified":"2026-10-19T09:18:41.450","status":"Received","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nmtd: afs: validate v2 image info bounds\n\nThe AFS v2 parser uses footer[8] to locate the image information block\ninside the current erase block, then uses the image information\nregion_count to walk entries from a fixed local array. The footer offset\nand region count come from flash contents and are not checked against the\nerase block or the local image-info array before use.\n\nReject v2 entries whose image information offset would underflow the\nerase block calculation, and reject region counts that cannot fit in the\nlocal image-info array before walking region entries.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H","score":8.0},"cwes":[],"references":["https://git.kernel.org/stable/c/18916f475057cbd2fb8ea6ae86e6b85884ad1d53","https://git.kernel.org/stable/c/1bec05a68414cf8d0cab6cb42445b8603f32ffc4","https://git.kernel.org/stable/c/1edea8900ca3e405c1421d8b5c29f97107874f72","https://git.kernel.org/stable/c/3ad8ff12fd44b08af9212ac4883a7e29d2ab7348","https://git.kernel.org/stable/c/875daa3c750814ff2e2dc050239c390048f0bcd0"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:54:41.405518556+00:00"},"epss":{"cve":"CVE-2026-89954","score":0.00185,"percentile":0.08013,"date":"2026-10-25"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}