{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-80542","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-08-26T14:34:25.765Z","datePublished":"2026-08-26T14:37:15.168Z","dateUpdated":"2026-08-26T14:37:15.168Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-08-26T14:37:15.168Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Fix NULL pointer dereference in amdgpu_dm_crtc_set_vblank()\n\namdgpu_dm_crtc_set_vblank() dereferences acrtc_state->stream when\nvblank is enabled/queried from DRM_IOCTL_MODE_CRTC_GET_SEQUENCE before\na stream is attached to it.\n\nBUG: kernel NULL pointer dereference, address: 0000000000000008\nRIP: amdgpu_dm_crtc_set_vblank+0x6b/0x4d0 [amdgpu]\nCall Trace:\n drm_vblank_enable\n drm_vblank_get\n drm_crtc_get_sequence_ioctl\n drm_ioctl_kernel\n drm_ioctl\n\nReproduced by running VKCTS with WSI tests enabled on RADV.\n\nGuard the enable path on acrtc_state->stream being non-NULL, matching\nthe existing checks in this function.\n\n(cherry picked from commit 7b1b31bf6942e6f43509b48da23f8e27269aac39)"}],"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/display/amdgpu_dm/amdgpu_dm_crtc.c"],"versions":[{"version":"34d66bc7ff10e146a4cec76cf286979740a10954","lessThan":"5045fb4c70bfde36a05e0f41cf35ddfb6d85d3af","status":"affected","versionType":"git"},{"version":"34d66bc7ff10e146a4cec76cf286979740a10954","lessThan":"4a6bc92fac30070511d66bcce4ed9b7dac983180","status":"affected","versionType":"git"},{"version":"34d66bc7ff10e146a4cec76cf286979740a10954","lessThan":"f2a1c4c6fe0a6fcde02e59dde546dba28d283635","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/display/amdgpu_dm/amdgpu_dm_crtc.c"],"versions":[{"version":"6.18","status":"affected"},{"version":"0","lessThan":"6.18","status":"unaffected","versionType":"semver"},{"version":"6.18.46","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.1.10","lessThanOrEqual":"7.1.*","status":"unaffected","versionType":"semver"},{"version":"7.2","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":"6.18","versionEndExcluding":"6.18.46"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.18","versionEndExcluding":"7.1.10"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.18","versionEndExcluding":"7.2"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/5045fb4c70bfde36a05e0f41cf35ddfb6d85d3af"},{"url":"https://git.kernel.org/stable/c/4a6bc92fac30070511d66bcce4ed9b7dac983180"},{"url":"https://git.kernel.org/stable/c/f2a1c4c6fe0a6fcde02e59dde546dba28d283635"}],"title":"drm/amd/display: Fix NULL pointer dereference in amdgpu_dm_crtc_set_vblank()","x_generator":{"engine":"bippy-1.2.0"}}}}