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CVE-2022-50393: drm/amdgpu: SDMA update use unlocked iterator

mediumCVSS 5.5CVE-2022-50393

CSIRTS triage

vendor: Linuxproduct: Linux KernelMemory corruption
What
AMDGPU DRM SDMA subsystem uses unlocked iterator causing synchronization issues.
Who is affected
Linux systems with AMD GPUs using DRM/AMDGPU driver.
Urgency
Medium priority; CVSS 5.5 indicates moderate concurrency and memory corruption risk.
Action
Apply kernel patch adding proper locking to SDMA iterator usage.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity
medium — CVSS 5.5
Published
2026-08-06
Exploitation
Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-50393

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2022-50393coverage & exploitation statusNVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

Recent advisories for drm/amdgpu

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

More from Microsoft Security Response Center