CVE-2023-52634

MediumCVSS 5.5/10Last modified Jun 17, 2026

Description

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

drm/amd/display: Fix disable_otg_wa logic

[Why] When switching to another HDMI mode, we are unnecesarilly disabling/enabling FIFO causing both HPO and DIG registers to be set at the same time when only HPO is supposed to be set.

This can lead to a system hang the next time we change refresh rates as there are cases when we don't disable OTG/FIFO but FIFO is enabled when it isn't supposed to be.

[How] Removing the enable/disable FIFO entirely.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected software

VendorProductVersions
LinuxLinux>= 8774029f76b9806f2f3586bb0502408076767fd5, < ce29728ef6485a367934cc100249c66dd3cde5b6; >= 8774029f76b9806f2f3586bb0502408076767fd5, < 2ce156482a6fef349d2eba98e5070c412d3af662
LinuxLinux6.7

References

Timeline

Published
Apr 2, 2024
Last modified
Jun 17, 2026
NVD status
Analyzed

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CVE-2023-52634: Medium severity, CVSS 5.5 | Vulnix