{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-97928","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-09-25T10:18:58.203Z","datePublished":"2026-09-25T10:22:45.430Z","dateUpdated":"2026-09-25T10:22:45.430Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-09-25T10:22:45.430Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu: skip the VMID 0 flush for VRAM\n\nClear-on-release only runs on VRAM, which amdgpu_ttm_map_buffer() reaches\nvia its direct MC address without programming a GART window, yet the wipe\nstill forces a VMID 0 flush. On GFX11 (e.g. Navi33) that spurious SDMA\nflush can wedge the engine; only flush when a GART window is actually used.\n\nv2: Let amdgpu_ttm_map_buffer() return whether the VMID 0 flush is needed,\n    and drive the clear and copy paths from that. (Christian)\nv3: Make the vm_needs_flush output parameter mandatory instead of\n    allowing NULL. (Christian)\n\n(cherry picked from commit a306e406e570b74318ff7d80e5b07b540ca1d3a9)"}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c"],"versions":[{"version":"a68c7eaa7a8ffdec9287ba1561a668d674c20a13","lessThan":"241d7450cf75969cea450eb3e740cb9682f69c2f","status":"affected","versionType":"git"},{"version":"a68c7eaa7a8ffdec9287ba1561a668d674c20a13","lessThan":"87ceb8cba73d0b3c4025ff42495bccd8164acaed","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c"],"versions":[{"version":"6.10","status":"affected"},{"version":"0","lessThan":"6.10","status":"unaffected","versionType":"semver"},{"version":"7.2.7","lessThanOrEqual":"7.2.*","status":"unaffected","versionType":"semver"},{"version":"7.3-rc3","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.10","versionEndExcluding":"7.2.7"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.10","versionEndExcluding":"7.3-rc3"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/241d7450cf75969cea450eb3e740cb9682f69c2f"},{"url":"https://git.kernel.org/stable/c/87ceb8cba73d0b3c4025ff42495bccd8164acaed"}],"title":"drm/amdgpu: skip the VMID 0 flush for VRAM","x_generator":{"engine":"bippy-1.2.0"}}}}