BaseFortify

Publication date: 2025-10-01

Last updated on: 2025-10-29

Assigner: kernel.org

Description

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix potential null dereference The adev->dm.dc pointer can be NULL and dereferenced in amdgpu_dm_fini() without checking. Add a NULL pointer check before calling dc_dmub_srv_destroy(). Found by Linux Verification Center (linuxtesting.org) with SVACE.

CVSS Scores

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Meta Information

Published

2025-10-01

Last Modified

2025-10-29

Generated

2026-07-06

AI Q&A

2025-10-01

EPSS Evaluated

2026-07-05

NVD

CVE-2023-53498

Affected Vendors & Products

Vendor	Product	Version / Range
linux	linux_kernel	From 5.15.160 (inc) to 5.16 (inc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-UNKNOWN

Attack-Flow Graph

Executive Summary

This vulnerability is a potential null pointer dereference in the Linux kernel's AMD GPU display driver. Specifically, the pointer adev->dm.dc can be NULL and is dereferenced in the function amdgpu_dm_fini() without a proper NULL check, which could lead to a crash or instability. The fix involves adding a NULL pointer check before calling dc_dmub_srv_destroy().

Impact Analysis

If exploited, this vulnerability could cause the Linux kernel to crash or become unstable due to a null pointer dereference in the AMD GPU display driver. This could lead to system crashes or denial of service on affected systems using the vulnerable driver.

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