What’s Vulnerable › Vulnerabilities

CVE-2023-52671: drm/amd/display: Fix hang/underflow when transitioning to ODM4:1

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-05-17 · updated 2026-10-30

Description

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix hang/underflow when transitioning to ODM4:1 [Why] Under some circumstances, disabling an OPTC and attempting to reclaim its OPP(s) for a different OPTC could cause a hang/underflow due to OPPs not being properly disconnected from the disabled OPTC. [How] Ensure that all OPPs are unassigned from an OPTC when it gets disabled.

Affected products

• Linux kernel: from 4.15 before 6.6.24; from 6.7 before 6.7.3 — fixed in 6.6.24, 6.7.3
• Linux: 4.15 — fixed in 6.8

How to fix

Upgrade to a fixed version: Linux kernel 6.6.24, 6.7.3; Linux 6.8. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/335fb62c36611f4a154983466cb7e9daa149a1d5
• https://git.kernel.org/stable/c/4b6b479b2da6badff099b2e3abf0248936eefbf5
• https://git.kernel.org/stable/c/ae62f1dde66a6f0eee98defc4c7a346bd5acd239
• https://git.kernel.org/stable/c/e7b2b108cdeab76a7e7324459e50b0c1214c0386
• https://git.kernel.org/stable/c/4b6b479b2da6badff099b2e3abf0248936eefbf5
• https://git.kernel.org/stable/c/ae62f1dde66a6f0eee98defc4c7a346bd5acd239
• https://git.kernel.org/stable/c/e7b2b108cdeab76a7e7324459e50b0c1214c0386

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