CVE-2025-21989

drm/amd/display: fix missing .is_two_pixels_per_container

Description

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: fix missing .is_two_pixels_per_container Starting from 6.11, AMDGPU driver, while being loaded with amdgpu.dc=1, due to lack of .is_two_pixels_per_container function in dce60_tg_funcs, causes a NULL pointer dereference on PCs with old GPUs, such as R9 280X. So this fix adds missing .is_two_pixels_per_container to dce60_tg_funcs. (cherry picked from commit bd4b125eb949785c6f8a53b0494e32795421209d)

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.01%
Affected: Linux Linux
Affected: Linux Linux
Published at:
Updated at:

References

Link Tags
https://git.kernel.org/stable/c/fefa811e616b5d0b555ed65743e528a0a8a0b377 patch
https://git.kernel.org/stable/c/36d04c9313d8d83ead92242f037099ac73e02120 patch
https://git.kernel.org/stable/c/e204aab79e01bc8ff750645666993ed8b719de57 patch

Frequently Asked Questions

What is the severity of CVE-2025-21989?
CVE-2025-21989 has been scored as a medium severity vulnerability.
How to fix CVE-2025-21989?
To fix CVE-2025-21989, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-21989 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-21989 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-21989?
CVE-2025-21989 affects Linux Linux, Linux Linux.
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