{"id":"CVE-2026-80747","title":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdkfd: Add bounds check for CRAT subtype length\n\nThe CRAT parser validates that the subtype header fits within the image,\nbut does not verify that the advertised s…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdkfd: Add bounds check for CRAT subtype length\n\nThe CRAT parser validates that the subtype header fits within the image,\nbut does not verify that the advertised s…","severity":"high","cvss":8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H","vendor":"Linux","product":"Linux","affected":["Linux >= 5b5c4e40a37e858e2bff8cd91be8e972256392c4 < 69164d6bdad5d6657e51436a3f602822f620a46a","Linux >= 5b5c4e40a37e858e2bff8cd91be8e972256392c4 < ca91e0cc8087568e4b791648a7c01e804f48cb73","Linux >= 5b5c4e40a37e858e2bff8cd91be8e972256392c4 < 6e7566ba4739dd573c331adde1c96690f7a567bd","Linux 3.19"],"published":"2026-09-03","updated":"2026-10-15","sourceUpdated":"2026-10-15T11:17:52.180","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-80747","references":[{"url":"https://git.kernel.org/stable/c/69164d6bdad5d6657e51436a3f602822f620a46a","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/6e7566ba4739dd573c331adde1c96690f7a567bd","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/ca91e0cc8087568e4b791648a7c01e804f48cb73","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd","cve.org"],"epss":0.00171,"epssPercentile":0.06041,"ingestedAt":"2026-10-15T11:00:41.662Z","slug":"CVE-2026-80747","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdkfd: Add bounds check for CRAT subtype length\n\nThe CRAT parser validates that the subtype header fits within the image,\nbut does not verify that the advertised subtype length fits. A malformed\nCRAT table with an oversized length field causes out-of-bounds reads when\nkfd_parse_subtype() casts the header to specific subtype structures.\n\nAdd validation that sub_type_hdr + length does not exceed the image\nboundary before parsing the subtype contents.\n\n(cherry picked from commit 48e1d1e6e8798aef0312e68d8e586021b5b3cf4d)\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":44,"depthScoreParts":{"impact":44,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}