CVE-2022-48887: drm/vmwgfx: Remove rcu locks from user resources

mediumCVSS 5.5CVE-2022-48887

CSIRTS triage

vendor: VMware product: vmwgfxOther

What: DRM vmwgfx driver incorrectly manages RCU locks on user resources, creating synchronization issues.
Who is affected: Systems running VMware graphics drivers on Linux with affected kernel versions.
Urgency: Medium priority; represents a synchronization bug that may cause instability or memory issues.
Action: Apply Linux kernel patch removing improper RCU locking from vmwgfx user resource handling.

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-2022-48887

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.

Low exploitation riskCVE-2022-488870.23% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 14% of all EPSS-scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2022-48887	coverage & exploitation status	NVD · CVE.org

Recent advisories for drm/vmwgfx

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.

unknownCVE-2026-74445: In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: reject DX_BIND…nvd · 2026-08-15
highCVE-2026-74444: In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: validate DRAW_…nvd · 2026-08-15
highCVE-2026-74443: In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: bound DMA comm…nvd · 2026-08-15
unknownCVE-2026-74442: In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: avoid destroy_…nvd · 2026-08-15
highCVE-2026-68446: In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: Validate vmw_s…nvd · 2026-08-12
highCVE-2026-74443: drm/vmwgfx: bound DMA command body size against suffix pointermsrc · 2026-08-11