CVE-2023-52634

drm/amd/display: Fix disable_otg_wa logic

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.

5.5

CVSS

Severity: Medium

CVSS 3.1 •

EPSS 0.01%

Affected: Linux Linux

References

Link	Tags
https://git.kernel.org/stable/c/ce29728ef6485a367934cc100249c66dd3cde5b6	patch
https://git.kernel.org/stable/c/2ce156482a6fef349d2eba98e5070c412d3af662	patch

Frequently Asked Questions

What is the severity of CVE-2023-52634?: CVE-2023-52634 has been scored as a medium severity vulnerability.
How to fix CVE-2023-52634?: To fix CVE-2023-52634, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-52634 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2023-52634 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-52634?: CVE-2023-52634 affects Linux Linux, Linux Linux.

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