CVE-2024-49907

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.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c < 8d54001f8dccd56146973f23f3ab2ba037a21251affected
LinuxLinux4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c < a545a9403e04c6e17fdc04a26a61d9feebbba106affected
LinuxLinux4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c < a2773e0a4b79e7a6463abdffaf8cc4f24428ba18affected
LinuxLinux4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c < 9641bc4adf8446034e490ed543ae7e9833cfbdf5affected
LinuxLinux4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c < 3f7e533c10db3d0158709a99e2129ff63add6bcdaffected
LinuxLinux4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c < 5ba3fbf75b243b2863a8be9e7c393e003d3b88f3affected
LinuxLinux4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c < 95d9e0803e51d5a24276b7643b244c7477daf463affected
LinuxLinux4.15affected
LinuxLinux0 < 4.15unaffected
LinuxLinux5.10.227 <= 5.10.*unaffected
LinuxLinux5.15.168 <= 5.15.*unaffected
LinuxLinux6.1.113 <= 6.1.*unaffected
LinuxLinux6.6.55 <= 6.6.*unaffected
LinuxLinux6.10.14 <= 6.10.*unaffected
LinuxLinux6.11.3 <= 6.11.*unaffected
LinuxLinux6.12 <= *unaffected

Weaknesses

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

CVE Program Container

Additional References

References