CVE-2022-50535: drm/amd/display: Fix potential null-deref in dm_resume

Published Oct 7, 2025
·
Updated

In the Linux kernel, the following vulnerability has been resolved:

drm/amd/display: Fix potential null-deref in dmresume

[Why] Fixing smatch error: dmresume() error: we previously assumed 'aconnector->dclink' could be null

[How] Check if dclink null at the beginning of the loop, so further checks can be dropped.

Affected Software

7 affected components
Linux Linux kernel
Linux Linux kernel>=4.15<4.19.276
Linux Linux kernel>=4.20<5.4.235
Linux Linux kernel>=5.5<5.10.173
Linux Linux kernel>=5.11<5.15.99
Linux Linux kernel>=5.16<6.1.16
Linux Linux kernel>=6.2<6.2.3

Event History

Oct 7, 2025
CVE Published
via MITRE·03:21 PM
Data Sourced
via MITRE·03:21 PM
Description
Data Sourced
via NVD·04:15 PM
RemedyDescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2022-50535?

CVE-2022-50535 has been classified as a medium severity vulnerability.

2

How do I fix CVE-2022-50535?

To resolve CVE-2022-50535, you should update your Linux kernel to a version that contains the fix for this vulnerability.

3

Which Linux kernel versions are affected by CVE-2022-50535?

CVE-2022-50535 affects Linux kernel versions between 4.15 and 4.19.276, 4.20 and 5.4.235, 5.5 and 5.10.173, 5.11 and 5.15.99, and 5.16 and 6.1.16, with specific ranges for later versions.

4

What component of the Linux kernel does CVE-2022-50535 affect?

CVE-2022-50535 affects the AMD display driver in the Linux kernel.

5

What issue is addressed by CVE-2022-50535?

CVE-2022-50535 addresses a potential null pointer dereference in the dm_resume function, which could lead to system instability.

Contact

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