{"cve":"CVE-2026-46197","nvd":{"published":"2026-05-28T10:16:35.360","modified":"2026-10-19T20:18:37.800","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdkfd: validate SVM ioctl nattr against buffer size\n\nValidate nattr field against the buffer size, preventing\nout-of-bounds buffer access via user-controlled attribute count.\n\n(cherry picked from commit 5eca8bfdfa456c3304ca77523718fe24254c172f)","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.8},"cwes":["CWE-787","CWE-120"],"references":["https://git.kernel.org/stable/c/045e0ff208f0838a246c10204105126611b267a1","https://git.kernel.org/stable/c/6abd3a4417cb73a7d0db7e25bf11fae1074bdba3","https://git.kernel.org/stable/c/91c6dc5a41695d02dfc6299f106ac38a6c493e52","https://git.kernel.org/stable/c/ccd060b5c7cc75ae7e211c250b97c5b6272e7efc","https://git.kernel.org/stable/c/daa8bc5f83814b55b71d2b5b3a090d57a5219c21"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-21T03:43:09.190223697+00:00"},"epss":{"cve":"CVE-2026-46197","score":0.00139,"percentile":0.03245,"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."]}