CVE-2026-53190: drm/virtio: fix dma_fence refcount leak on error in virtio_gpu_dma_fence_wait()

mediumCVSS 5.5CVE-2026-53190

CSIRTS triage

vendor: virtio product: drm/virtioOther

What: There is a DMA fence refcount leak on error in virtio_gpu_dma_fence_wait().
Who is affected: Deployments using the virtio GPU driver.
Urgency: Remediation is necessary due to the medium severity of the issue.
Action: Update to the latest version of the virtio GPU driver.

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: 2026-06-09
Exploitation: Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-53190

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-2026-531900.13% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 3% of all scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-53190	coverage & exploitation status	NVD · CVE.org

Recent advisories for drm/virtio

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.

mediumCVE-2026-53347: drm/virtio: Fix driver removal with disabled KMSmsrc · 2026-07-02
unknownCVE-2026-53347: In the Linux kernel, the following vulnerability has been resolved: drm/virtio: Fix driver rem…nvd · 2026-07-01