What’s Vulnerable › Vulnerabilities

CVE-2023-53498: drm/amd/display: Fix potential null dereference

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-10-01 · updated 2026-06-17
• Weakness: CWE-476

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.

Affected products

• Linux kernel: from 5.6 before 5.10.246; from 5.11 before 5.15.111; from 5.16 before 6.1.28; from 6.2 before 6.2.15; from 6.3 before 6.3.2 — fixed in 5.10.246, 5.15.111, 6.1.28, 6.2.15, 6.3.2

How to fix

Upgrade to a fixed version: Linux kernel 5.10.246, 5.15.111, 6.1.28, 6.2.15. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/281933f36a53fed1c2993a92cf1edfb424595474
• https://git.kernel.org/stable/c/4b1afffdd94093118b3cc235ef2b4d2520fb4950
• https://git.kernel.org/stable/c/52f1783ff4146344342422c1cd94fcb4ce39b6fe
• https://git.kernel.org/stable/c/624a60911b71af08a912ee8a296b271b3e7b34ab
• https://git.kernel.org/stable/c/b75aaebac265e3f29863699d9a929fdfba13d0a4
• https://git.kernel.org/stable/c/d4b749771fed3f99bbe8880eaab32a05ede0e5fa

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