{"api_version":"1","generated_at":"2026-06-14T18:57:52+00:00","cve":"CVE-2026-46311","urls":{"html":"https://cve.report/CVE-2026-46311","api":"https://cve.report/api/cve/CVE-2026-46311.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-46311","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-46311"},"summary":{"title":"drm/amdgpu/userq: fix access to stale wptr mapping","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu/userq: fix access to stale wptr mapping\n\nUse drm_exec to take both locks i.e vm root bo and\nwptr_obj bo to access the mapping data properly.\n\nThis fixes the security issue of unmap the wptr_obj while\na queue creation is in progress and passing other\nbo at same address.\n\n(cherry picked from commit 1fc6c8ab45dbee096469c08c13f6099d57a52d6c)","state":"PUBLISHED","assigner":"Linux","published_at":"2026-06-08 17:16:50","updated_at":"2026-06-14 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the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu/userq: fix access to stale wptr mapping\n\nUse drm_exec to take both locks i.e vm root bo and\nwptr_obj bo to access the mapping data properly.\n\nThis fixes the security issue of unmap the wptr_obj while\na queue creation is in progress and passing other\nbo at same address.\n\n(cherry picked from commit 1fc6c8ab45dbee096469c08c13f6099d57a52d6c)"}],"metrics":[{"cvssV3_1":{"baseScore":7.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}}],"providerMetadata":{"dateUpdated":"2026-06-14T04:30:09.270Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/336a9186f3a4b65bbd865d93936605ac8a1a3991"},{"url":"https://git.kernel.org/stable/c/6da7b1242da4455b11c24ce667d1cab1a348c8ea"}],"title":"drm/amdgpu/userq: fix access to stale wptr 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fixes the security issue of unmap the wptr_obj while\na queue creation is in progress and passing other\nbo at same address.\n\n(cherry picked from commit 1fc6c8ab45dbee096469c08c13f6099d57a52d6c)","Type":"Description","Title":"drm/amdgpu/userq: fix access to stale wptr mapping"}]}}}