CVE-2026-46197 HIGH

CVE-2026-46197: drm/amdkfd: validate SVM ioctl nattr against buffer size

Vendor Linux
Product Linux
Published May 28, 2026
Last update June 14, 2026

CVSS base score

7.8/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: validate SVM ioctl nattr against buffer size Validate nattr field against the buffer size, preventing out-of-bounds buffer access via user-controlled attribute count. (cherry picked from commit 5eca8bfdfa456c3304ca77523718fe24254c172f)

Key dates

02Disclosure timeline

May 28, 2026 CVE published
June 14, 2026 Record updated