CVE-2024-49907
drm/amd/display: Check null pointers before using dc->clk_mgr
Vexday Risk Score
3Low
SSVC decision (CISA)
Track
No exploitation signal → monitor
CVSS —EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch —
Lifecycle
21 Oct 2024Published on NVD
Recommendation: Monitor — no exploitation signal at the moment.
In the Linux kernel, the following vulnerability has been resolved:
drm/amd/display: Check null pointers before using dc->clk_mgr
[WHY & HOW]
dc->clk_mgr is null checked previously in the same function, indicating
it might be null.
Passing "dc" to "dc->hwss.apply_idle_power_optimizations", which
dereferences null "dc->clk_mgr". (The function pointer resolves to
"dcn35_apply_idle_power_optimizations".)
This fixes 1 FORWARD_NULL issue reported by Coverity.
Affected products
Linux · LinuxReferences
https://git.kernel.org/stable/c/3f7e533c10db3d0158709a99e2129ff63add6bcdhttps://git.kernel.org/stable/c/5ba3fbf75b243b2863a8be9e7c393e003d3b88f3https://git.kernel.org/stable/c/8d54001f8dccd56146973f23f3ab2ba037a21251https://git.kernel.org/stable/c/95d9e0803e51d5a24276b7643b244c7477daf463https://git.kernel.org/stable/c/9641bc4adf8446034e490ed543ae7e9833cfbdf5https://git.kernel.org/stable/c/a2773e0a4b79e7a6463abdffaf8cc4f24428ba18https://git.kernel.org/stable/c/a545a9403e04c6e17fdc04a26a61d9feebbba106https://lists.debian.org/debian-lts-announce/2025/01/msg00001.htmlhttps://lists.debian.org/debian-lts-announce/2025/03/msg00002.html