EUVD-2026-28676
GHSA-f593-x5jj-v2pg
CVSS VectorNVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
5DescriptionNVD
In the Linux kernel, the following vulnerability has been resolved:
drm/amdgpu: Fix use-after-free race in VM acquire
Replace non-atomic vm->process_info assignment with cmpxchg() to prevent race when parent/child processes sharing a drm_file both try to acquire the same VM after fork().
(cherry picked from commit c7c573275ec20db05be769288a3e3bb2250ec618)
AnalysisAI
Use-after-free race condition in Linux kernel amdgpu driver allows local authenticated users to achieve arbitrary code execution with high confidentiality, integrity, and availability impact. The flaw occurs when parent and child processes sharing a drm_file both attempt to acquire the same virtual memory context after fork(), due to non-atomic vm->process_info assignment. …
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RemediationAI
Within 24 hours: identify all Linux systems running amdgpu driver and their current kernel versions. Within 7 days: apply vendor-released kernel patches (5.10.253, 5.15.203, 6.1.167, 6.6.130, 6.12.78, 6.18.19, 6.19.9, or 7.0 depending on baseline version) to all affected systems. …
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