CVE-2026-97928drm/amdgpu: skip the VMID 0 flush for VRAM
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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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)
- CVSS
- Not yet scored
- Weakness (CWE)
- Not given
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Linux
- NVD analysis
- Received
- Record last updated
- Oct 15, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Linux Linux linux:linux (from the name) | from a68c7eaa7a8ffdec9287ba1561a668d674c20a13 before 30dacb56f07283a1acb353ce81baef31f85396b0; from a68c7eaa7a8ffdec9287ba1561a668d674c20a13 before 241d7450cf75969cea450eb3e740cb9682f69c2f; from a68c7eaa7a8ffdec9287ba1561a668d674c20a13 before 87ceb8cba73d0b3c4025ff42495bccd8164acaed | CNA record |
References
- https://git.kernel.org/stable/c/30dacb56f07283a1acb353ce81baef31f85396b0
- https://git.kernel.org/stable/c/241d7450cf75969cea450eb3e740cb9682f69c2f
- https://git.kernel.org/stable/c/87ceb8cba73d0b3c4025ff42495bccd8164acaed
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.