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Description

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]

PUBLISHED Reserved 2025-12-24 | Published 2025-12-24 | Updated 2026-01-05 | Assigner Linux

Product status

Default status
unaffected

8e3b16e2117409625b89807de3912ff773aea354 (git) before 110d4202522373d629d14597af9bac97eb58bd67
affected

8e3b16e2117409625b89807de3912ff773aea354 (git) before 218fe9b624545f4bcfb16cdb35ac3d60c8b0d8c7
affected

8e3b16e2117409625b89807de3912ff773aea354 (git) before b5af48eedcb53491c02ded55d5991e03d6da6dbf
affected

Default status
affected

4.9
affected

Any version before 4.9
unaffected

6.1.30 (semver)
unaffected

6.3.4 (semver)
unaffected

6.4 (original_commit_for_fix)
unaffected

References

git.kernel.org/...c/110d4202522373d629d14597af9bac97eb58bd67

git.kernel.org/...c/218fe9b624545f4bcfb16cdb35ac3d60c8b0d8c7

git.kernel.org/...c/b5af48eedcb53491c02ded55d5991e03d6da6dbf

cve.org (CVE-2023-54047)

nvd.nist.gov (CVE-2023-54047)

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