CVE-2026-46311
drm/amdgpu/userq: fix access to stale wptr mapping
CVSS Score
7.8
EPSS Score
0.0%
EPSS Percentile
3th
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/userq: fix access to stale wptr mapping Use drm_exec to take both locks i.e vm root bo and wptr_obj bo to access the mapping data properly. This fixes the security issue of unmap the wptr_obj while a queue creation is in progress and passing other bo at same address. (cherry picked from commit 1fc6c8ab45dbee096469c08c13f6099d57a52d6c)
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Jun 8, 2026 |
| Last Updated | Jun 14, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
Linux / Linux
5fb2f7fc21a3668e5794cc0d153641b9719713e1 < 336a9186f3a4b65bbd865d93936605ac8a1a3991 5fb2f7fc21a3668e5794cc0d153641b9719713e1 < 6da7b1242da4455b11c24ce667d1cab1a348c8ea
Linux / Linux
6.16