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Vulnerability DatabaseCVE-2022-50173
CVE-2022-50173:
Linux Kernel vulnerability analysis and mitigation
Overview
CVE-2022-50173 is a vulnerability discovered in the Linux kernel, specifically affecting the drm/msm/mdp5 component. The vulnerability was published on June 18, 2025, and involves a global state lock backoff issue in the Direct Rendering Manager (DRM) subsystem (NVD).
Technical details
The vulnerability occurs in the drmmodesetlock functionality where the lock is not properly grabbed after the early return for !hwpipe case, which could result in contention while still returning 0. This issue was identified by the CONFIGDRMDEBUGMODESETLOCK in CI testing, manifesting as a warning at drivers/gpu/drm/drmmodesetlock.c:296 (Wiz).
Impact
The vulnerability could potentially affect system stability and graphics performance by causing lock contention issues in the Linux kernel's DRM (Direct Rendering Manager) subsystem (Wiz).
Mitigation and workarounds
The issue has been resolved through a patch that fixes the global state lock backoff in the drm/msm/mdp5 component. The fix ensures that the lock is properly grabbed after the early return for !hwpipe case (Wiz).
Additional resources
Source: This report was generated using AI
Related Linux Kernel vulnerabilities:
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