CVE-2024-49898: drm/amd/display: Check null-initialized variables

0.0 CVSS

Description

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

drm/amd/display: Check null-initialized variables

[WHAT & HOW]
drr_timing and subvp_pipe are initialized to null and they are not
always assigned new values. It is necessary to check for null before
dereferencing.

This fixes 2 FORWARD_NULL issues reported by Coverity.

Classification

CVE ID: CVE-2024-49898

CVSS Base Severity: LOW

CVSS Base Score: 0.0

Affected Products

Vendor: Linux

Product: Linux

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.04% (probability of being exploited)

EPSS Percentile: 5.06% (scored less or equal to compared to others)

EPSS Date: 2025-02-03 (when was this score calculated)

References

https://git.kernel.org/stable/c/c3a3b6d9a9383e3c1a4a08878ba5046e68647595
https://git.kernel.org/stable/c/3fc70ae048fe0936761b73b50700a810ff61e853
https://git.kernel.org/stable/c/115b1a3b0944b4d8ef0b4b0c5a625bdd9474131f
https://git.kernel.org/stable/c/367cd9ceba1933b63bc1d87d967baf6d9fd241d2

Timeline