CVE-2026-97494

kernel: drm/amdgpu: validate and share PSP fw_pri_buf copies via psp_copy_fw

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Severity

Moderate

Red Hat Product Security

7.1

CVSS 3.1

Review impact separately from score.

Published · September 24, 2026

Updated · November 4, 2026

Description

A flaw was found in the Linux kernel's AMD GPU driver. The driver fails to validate the size of firmware images before copying them into the Platform Security Processor (PSP) private buffer. A local user could exploit this vulnerability by loading an oversized or malformed firmware image, triggering a buffer overflow. This issue can cause a Denial of Service (DoS) via a system crash or potentially lead to memory corruption.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 7.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

CWE-120 · Buffer Copy without Checking Size of Input