CVE-2026-43195

Summary

In the Linux kernel, the following vulnerability has been resolved:

drm/amdgpu: validate user queue size constraints

Add validation to ensure user queue sizes meet hardware requirements:

  • Size must be a power of two for efficient ring buffer wrapping
  • Size must be at least AMDGPU_GPU_PAGE_SIZE to prevent undersized allocations

This prevents invalid configurations that could lead to GPU faults or unexpected behavior.

Affected Software

VendorProductVersion RangeStatus
LinuxLinuxfbf136b932358da1c65eb6fedd064a33a7a96aaa < cf2a37be899dc1b01f53bf1d0157330eaf3e3f55affected
LinuxLinuxfbf136b932358da1c65eb6fedd064a33a7a96aaa < 9f6cc309cd15922fe58cab2dfa1b5993ad31dec7affected
LinuxLinuxfbf136b932358da1c65eb6fedd064a33a7a96aaa < 8079b87c02e531cc91601f72ea8336dd2262fdf1affected
LinuxLinux6.16affected
LinuxLinux0 < 6.16unaffected
LinuxLinux6.18.16 <= 6.18.*unaffected
LinuxLinux6.19.6 <= 6.19.*unaffected
LinuxLinux7.0 <= *unaffected

Weaknesses

References