CVE-2023-54047

drm/rockchip: dw_hdmi: cleanup drm encoder during unbind

published December 24, 2025

CVSS
—
EPSS
0%
Percentile
14.5
In the wild
Unconfirmed
What it is

In the Linux kernel, the following vulnerability has been resolved:

drm/rockchip: dw_hdmi: cleanup drm encoder during unbind

This fixes a use-after-free crash during rmmod.

The DRM encoder is embedded inside the larger rockchip_hdmi,

which is allocated with the component. The component memory

gets freed before the main drm device is destroyed. Fix it

by running encoder cleanup before tearing down its container.

[moved encoder cleanup above clk_disable, similar to bind-error-path]

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00242 · 14.5th percentile
Published
2025-12-24T12:22Z
EPSS history
Timeline
  • 24 DEC 12:22Z
    drm/rockchip: dw_hdmi: cleanup drm encoder during unbind
    cvelistv5