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CVE PROGRAM SOURCE RECORDUnscored

CVE-2024-49907

drm/amd/display: Check null pointers before using dc->clk_mgr

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Status
Published
Published
Updated
Assigning organization
Linux

Description

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

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Linux Linux

Default version status: unaffected

  • 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c to < 8d54001f8dccd56146973f23f3ab2ba037a21251affected
  • 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c to < a545a9403e04c6e17fdc04a26a61d9feebbba106affected
  • 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c to < a2773e0a4b79e7a6463abdffaf8cc4f24428ba18affected
  • 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c to < 9641bc4adf8446034e490ed543ae7e9833cfbdf5affected
  • 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c to < 3f7e533c10db3d0158709a99e2129ff63add6bcdaffected
  • 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c to < 5ba3fbf75b243b2863a8be9e7c393e003d3b88f3affected
  • 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c to < 95d9e0803e51d5a24276b7643b244c7477daf463affected

Linux Linux

Default version status: affected

  • 4.15affected
  • 0 to < 4.15unaffected
  • 5.10.227 to ≤ 5.10.*unaffected
  • 5.15.168 to ≤ 5.15.*unaffected
  • 6.1.113 to ≤ 6.1.*unaffected
  • 6.6.55 to ≤ 6.6.*unaffected
  • 6.10.14 to ≤ 6.10.*unaffected
  • 6.11.3 to ≤ 6.11.*unaffected
  • 6.12 to ≤ *unaffected

References