{
    "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": "2026-05-11T22:22:14.662Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T22:22:14.662Z"
            },
            "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"
                        },
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                            "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"
                        }
                    ]
                }
            ],
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                    "nodes": [
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                            "operator": "OR",
                            "negate": false,
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                                    "vulnerable": true,
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                                    "versionEndExcluding": "6.12.75"
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            "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",
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