CVE-2026-46197

Updated on 28 May 2026

Severity

7.8 High severity

Details

CVSS score
7.8
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Overview

About vulnerability

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)

Details

Affected product:
Ubuntu 20.04 ELS
Affected packages:
linux-meta @ 5.4.0 (+1 more)

Fixes

KernelCare state

Live-patch status from KernelCare for each operating system.

Operating system Status Covered kernels
Debian 12 Planned
Debian 13 Planned
Ubuntu 22.04 Planned
Ubuntu 24.04 Planned