What’s Vulnerable › Vulnerabilities

CVE-2022-49969: drm/amd/display: clear optc underflow before turn off odm clock

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-06-18 · updated 2026-08-15

Description

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: clear optc underflow before turn off odm clock [Why] After ODM clock off, optc underflow bit will be kept there always and clear not work. We need to clear that before clock off. [How] Clear that if have when clock off.

Affected products

• Linux kernel: from 4.15 before 4.19.257; from 4.20 before 5.4.212; from 5.5 before 5.10.141; from 5.11 before 5.15.65; from 5.16 before 5.19.7; 6.0-rc1 — fixed in 4.19.257, 5.10.141, 5.15.65, 5.19.7, 5.4.212

How to fix

Upgrade to a fixed version: Linux kernel 4.19.257, 5.10.141, 5.15.65, 5.19.7. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/3101839b080137c367f3f88c2a040f791de880aa
• https://git.kernel.org/stable/c/3c1dfeaeb3b4e3ea656041da1241e6ee3c3b3202
• https://git.kernel.org/stable/c/443687798d6f094412b7312b64b3bb4d99aedff7
• https://git.kernel.org/stable/c/5ee30bcfdb32526233d2572f3d9ec371928679f1
• https://git.kernel.org/stable/c/814b756d4ec3a8728debb116cf49005feada7750
• https://git.kernel.org/stable/c/b2a93490201300a749ad261b5c5d05cb50179c44

Get alerted when CVE-2022-49969 or the next vulnerability affects your stack