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CVE-2023-52634

5.5 · MEDIUM

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 FI…

Published Apr 2, 2024EPSS 0.19%

Overview

CVE-2023-52634 is a medium-severity vulnerability. It was published on April 2, 2024 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refgit.kernel.org/stable/c/2ce156482a6fef349d2eba98e5070c412d3af662Refgit.kernel.org/stable/c/ce29728ef6485a367934cc100249c66dd3cde5b6Refgit.kernel.org/stable/c/2ce156482a6fef349d2eba98e5070c412d3af662Refgit.kernel.org/stable/c/ce29728ef6485a367934cc100249c66dd3cde5b6

How CyberStrike helps

Frequently asked questions

What is CVE-2023-52634?

CVE-2023-52634 is a medium-severity vulnerability. It was published on April 2, 2024 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2023-52634?

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2023-52634?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2023-52634?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-52634 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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