{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-43318", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-05-01T14:12:56.001Z", "datePublished": "2026-05-08T13:26:13.557Z", "dateUpdated": "2026-05-08T13:26:13.557Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-08T13:26:13.557Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu: fix sync handling in amdgpu_dma_buf_move_notify\n\nInvalidating a dmabuf will impact other users of the shared BO.\nIn the scenario where process A moves the BO, it needs to inform\nprocess B about the move and process B will need to update its\npage table.\n\nThe commit fixes a synchronisation bug caused by the use of the\nticket: it made amdgpu_vm_handle_moved behave as if updating\nthe page table immediately was correct but in this case it's not.\n\nAn example is the following scenario, with 2 GPUs and glxgears\nrunning on GPU0 and Xorg running on GPU1, on a system where P2P\nPCI isn't supported:\n\nglxgears:\n export linear buffer from GPU0 and import using GPU1\n submit frame rendering to GPU0\n submit tiled->linear blit\nXorg:\n copy of linear buffer\n\nThe sequence of jobs would be:\n drm_sched_job_run # GPU0, frame rendering\n drm_sched_job_queue # GPU0, blit\n drm_sched_job_done # GPU0, frame rendering\n drm_sched_job_run # GPU0, blit\n move linear buffer for GPU1 access #\n amdgpu_dma_buf_move_notify -> update pt # GPU0\n\nIt this point the blit job on GPU0 is still running and would\nlikely produce a page fault."}], "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_dma_buf.c"], "versions": [{"version": "a448cb003edcb4b63d0a9c95f3faab724e6150fb", "lessThan": "82a7ea35a1526bef8ae170c33ff80e5db7728961", "status": "affected", "versionType": "git"}, {"version": "a448cb003edcb4b63d0a9c95f3faab724e6150fb", "lessThan": "89a9389ad70d3c69538e59d87df67d407aef4c26", "status": "affected", "versionType": "git"}, {"version": "a448cb003edcb4b63d0a9c95f3faab724e6150fb", "lessThan": "3307459eb3583115264421e859858d1f90f3694a", "status": "affected", "versionType": "git"}, {"version": "a448cb003edcb4b63d0a9c95f3faab724e6150fb", "lessThan": "b18fc0ab837381c1a6ef28386602cd888f2d9edf", "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_dma_buf.c"], "versions": [{"version": "5.7", "status": "affected"}, {"version": "0", "lessThan": "5.7", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.75", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.16", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.19.6", "lessThanOrEqual": "6.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0", "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": "5.7", "versionEndExcluding": "6.12.75"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.7", "versionEndExcluding": "6.18.16"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.7", "versionEndExcluding": "6.19.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.7", "versionEndExcluding": "7.0"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/82a7ea35a1526bef8ae170c33ff80e5db7728961"}, {"url": "https://git.kernel.org/stable/c/89a9389ad70d3c69538e59d87df67d407aef4c26"}, {"url": "https://git.kernel.org/stable/c/3307459eb3583115264421e859858d1f90f3694a"}, {"url": "https://git.kernel.org/stable/c/b18fc0ab837381c1a6ef28386602cd888f2d9edf"}], "title": "drm/amdgpu: fix sync handling in amdgpu_dma_buf_move_notify", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu: fix sync handling in amdgpu_dma_buf_move_notify\n\nInvalidating a dmabuf will impact other users of the shared BO.\nIn the scenario where process A moves the BO, it needs to inform\nprocess B about the move and process B will need to update its\npage table.\n\nThe commit fixes a synchronisation bug caused by the use of the\nticket: it made amdgpu_vm_handle_moved behave as if updating\nthe page table immediately was correct but in this case it's not.\n\nAn example is the following scenario, with 2 GPUs and glxgears\nrunning on GPU0 and Xorg running on GPU1, on a system where P2P\nPCI isn't supported:\n\nglxgears:\n export linear buffer from GPU0 and import using GPU1\n submit frame rendering to GPU0\n submit tiled->linear blit\nXorg:\n copy of linear buffer\n\nThe sequence of jobs would be:\n drm_sched_job_run # GPU0, frame rendering\n drm_sched_job_queue # GPU0, blit\n drm_sched_job_done # GPU0, frame rendering\n drm_sched_job_run # GPU0, blit\n move linear buffer for GPU1 access #\n amdgpu_dma_buf_move_notify -> update pt # GPU0\n\nIt this point the blit job on GPU0 is still running and would\nlikely produce a page fault."}], "id": "CVE-2026-43318", "lastModified": "2026-05-08T14:16:40.363", "metrics": {}, "published": "2026-05-08T14:16:40.363", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/3307459eb3583115264421e859858d1f90f3694a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/82a7ea35a1526bef8ae170c33ff80e5db7728961"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/89a9389ad70d3c69538e59d87df67d407aef4c26"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b18fc0ab837381c1a6ef28386602cd888f2d9edf"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{}