CVE-2024-49893: drm/amd/display: Check stream_status before it is used

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: 2024-10-21 · updated 2026-06-17
Weakness: CWE-476

Description

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Check stream_status before it is used [WHAT & HOW] dc_state_get_stream_status can return null, and therefore null must be checked before stream_status is used. This fixes 1 NULL_RETURNS issue reported by Coverity.

Affected products

Linux kernel: before 6.11.3 — fixed in 6.11.3

How to fix

Upgrade to a fixed version: Linux kernel 6.11.3. Check the vendor advisory for mitigations.

References

https://git.kernel.org/stable/c/4914c8bfee1843fae046a12970b6f178e6642659
https://git.kernel.org/stable/c/58a8ee96f84d2c21abb85ad8c22d2bbdf59bd7a9

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