What’s Vulnerable › Vulnerabilities

CVE-2022-48766: drm/amd/display: Wrap dcn301_calculate_wm_and_dlg for FPU.

• 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: 2024-06-20 · updated 2026-06-17

Description

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Wrap dcn301_calculate_wm_and_dlg for FPU. Mirrors the logic for dcn30. Cue lots of WARNs and some kernel panics without this fix.

Affected products

• Linux kernel: before 5.16.5; 5.17-rc1 — fixed in 5.16.5

How to fix

Upgrade to a fixed version: Linux kernel 5.16.5. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/25f1488bdbba63415239ff301fe61a8546140d9f
• https://git.kernel.org/stable/c/456ba2433844a6483cc4c933aa8f43d24575e341
• https://git.kernel.org/stable/c/25f1488bdbba63415239ff301fe61a8546140d9f
• https://git.kernel.org/stable/c/456ba2433844a6483cc4c933aa8f43d24575e341

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