Vulnerabilities > CVE-2024-49907 - NULL Pointer Dereference vulnerability in Linux Kernel
Attack vector
LOCAL Attack complexity
LOW Privileges required
LOW Confidentiality impact
NONE Integrity impact
NONE Availability impact
HIGH Summary
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.
Vulnerable Configurations
Common Weakness Enumeration (CWE)
References
- https://git.kernel.org/stable/c/8d54001f8dccd56146973f23f3ab2ba037a21251
- https://git.kernel.org/stable/c/a545a9403e04c6e17fdc04a26a61d9feebbba106
- https://git.kernel.org/stable/c/a2773e0a4b79e7a6463abdffaf8cc4f24428ba18
- https://git.kernel.org/stable/c/9641bc4adf8446034e490ed543ae7e9833cfbdf5
- https://git.kernel.org/stable/c/3f7e533c10db3d0158709a99e2129ff63add6bcd
- https://git.kernel.org/stable/c/5ba3fbf75b243b2863a8be9e7c393e003d3b88f3
- https://git.kernel.org/stable/c/95d9e0803e51d5a24276b7643b244c7477daf463