drm/amd/display: Check null-initialized variables
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.
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
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.
05 / REFERENCES
Further evidence
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- https://git.kernel.org/stable/c/115b1a3b0944b4d8ef0b4b0c5a625bdd9474131f
- https://git.kernel.org/stable/c/26d262b79a3587aaa84368586a55e9026c67841b
- https://git.kernel.org/stable/c/367cd9ceba1933b63bc1d87d967baf6d9fd241d2
- https://git.kernel.org/stable/c/3fc70ae048fe0936761b73b50700a810ff61e853
- https://git.kernel.org/stable/c/c3a3b6d9a9383e3c1a4a08878ba5046e68647595
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/49xxx/CVE-2024-49898.json
- https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html
- https://nvd.nist.gov/vuln/detail/CVE-2024-49898