CVE-2022-49969

drm/amd/display: clear optc underflow before turn off odm clock

HIGH

7.8

CVSS Score

Published: June 18, 2025 at 11:00 AM UTC

Updated: August 15, 2026 at 01:36 PM UTC

1 product affected across 1 vendorLinux Kernel

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Severity

HIGH7.8

Exploit prediction

EPSS 0.3%

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel · Linux

95%

4.15 ≤ v < 4.19.2574.15 ≤ v < 5.10.1414.15 ≤ v < 5.15.654.15 ≤ v < 5.19.74.15 ≤ v < 5.4.2124.15 ≤ v < 6.04.20 ≤ v < 5.4.2125.11 ≤ v < 5.15.655.16 ≤ v < 5.19.75.5 ≤ v < 5.10.1416.0 rc170ccab604049bbb995a57ab3b7fe8a3c2fdbb736

Vendor states this is fixed in 3101839b080137c367f3f88c2a040f791de880aa (fixed)

Vendor states this is fixed in 3c1dfeaeb3b4e3ea656041da1241e6ee3c3b3202 (fixed)

Vendor states this is fixed in 443687798d6f094412b7312b64b3bb4d99aedff7 (fixed)

Vendor states this is fixed in 5ee30bcfdb32526233d2572f3d9ec371928679f1 (fixed)

Vendor states this is fixed in 814b756d4ec3a8728debb116cf49005feada7750 (fixed)

Vendor states this is fixed in b2a93490201300a749ad261b5c5d05cb50179c44 (fixed)

Vendor states this is fixed in 4.15 (unaffected)

Vendor states this is fixed in 4.19.257 (unaffected)

Vendor states this is fixed in 5.10.141 (unaffected)

Vendor states this is fixed in 5.15.65 (unaffected)

Vendor states this is fixed in 5.19.7 (unaffected)

Vendor states this is fixed in 5.4.212 (unaffected)