CVE-2025-37762: drm/virtio: Fix missed dmabuf unpinning in error path of prepare_fb()

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-05-01 · updated 2026-06-17

Description

In the Linux kernel, the following vulnerability has been resolved: drm/virtio: Fix missed dmabuf unpinning in error path of prepare_fb() Correct error handling in prepare_fb() to fix leaking resources when error happens.

Affected products

Linux kernel: from 6.14 before 6.14.4; 6.15-rc1 — fixed in 6.14.4

How to fix

Upgrade to a fixed version: Linux kernel 6.14.4. Check the vendor advisory for mitigations.

References

https://git.kernel.org/stable/c/395cc80051f8da267b27496a4029dd931a198855
https://git.kernel.org/stable/c/fe983e925bf7062d7b975357afcbc77bb7f354d8

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