Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: skip the VMID 0 flush for VRAM Clear-on-release only runs on VRAM, which amdgpu_ttm_map_buffer() reaches via its direct MC address without programming a GART window, yet the wipe still forces a VMID 0 flush. On GFX11 (e.g. Navi33) that spurious SDMA flush can wedge the engine; only flush when a GART window is actually used. v2: Let amdgpu_ttm_map_buffer() return whether the VMID 0 flush is needed, and drive the clear and copy paths from that. (Christian) v3: Make the vm_needs_flush output parameter mandatory instead of allowing NULL. (Christian) (cherry picked from commit a306e406e570b74318ff7d80e5b07b540ca1d3a9)
References
- https://git.kernel.org/stable/c/241d7450cf75969cea450eb3e740cb9682f69c2f
- https://git.kernel.org/stable/c/30dacb56f07283a1acb353ce81baef31f85396b0
- https://git.kernel.org/stable/c/87ceb8cba73d0b3c4025ff42495bccd8164acaed
FAQ
What is CVE-2026-97928?
CVE-2026-97928 is a documented vulnerability. In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: skip the VMID 0 flush for VRAM Clear-on-release only runs on VRAM, which amdgpu_ttm_map_buffer() reaches via its direc...
How severe is CVE-2026-97928?
CVSS scoring is not yet available for CVE-2026-97928. Check NVD for updates.
Is there a patch for CVE-2026-97928?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.