drm/amd/display: clear optc underflow before turn off odm clock (CVE-2022-49969) | HOL Guard CVE

High · CVSS 7.8CVE-2022-49969

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

Answer in brief

CVE-2022-49969 records a High severity (CVSS 7.8) vulnerability in drm/amd/display: clear optc underflow before turn off odm clock. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Jun 18, 2025Updated Aug 15, 2026Source checked Sep 29, 2026First seen by HOL Aug 15, 2026Material review Aug 15, 2026

Upstream Advisory

Key facts

Risk: High · CVSS 7.8
Exploitation: Not marked as known exploited
Affected software: 4 mapped packages or products
Fix availability: Available

Why this deserves its current priority

CVSS is 7.8. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.

Affected products and reported versions
Product	Affected versions	Fixed versions
cpe:2.3:o:linux:linux_kernel::::::::	Not reported	Not reported
cpe:2.3:o:linux:linux_kernel:6.0:rc1::::::	Not reported	Not reported

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
Linux/Linuxgeneric	>=70ccab604049bbb995a57ab3b7fe8a3c2fdbb736 <443687798d6f094412b7312b64b3bb4d99aedff7 \|\| >=70ccab604049bbb995a57ab3b7fe8a3c2fdbb736 <814b756d4ec3a8728debb116cf49005feada7750 \|\| >=70ccab604049bbb995a57ab3b7fe8a3c2fdbb736 <3c1dfeaeb3b4e3ea656041da1241e6ee3c3b3202 \|\| >=70ccab604049bbb995a57ab3b7fe8a3c2fdbb736 <5ee30bcfdb32526233d2572f3d9ec371928679f1 \|\| >=70ccab604049bbb995a57ab3b7fe8a3c2fdbb736 <3101839b080137c367f3f88c2a040f791de880aa \|\| >=70ccab604049bbb995a57ab3b7fe8a3c2fdbb736 <b2a93490201300a749ad261b5c5d05cb50179c44	443687798d6f094412b7312b64b3bb4d99aedff7, 814b756d4ec3a8728debb116cf49005feada7750, 3c1dfeaeb3b4e3ea656041da1241e6ee3c3b3202, 5ee30bcfdb32526233d2572f3d9ec371928679f1, 3101839b080137c367f3f88c2a040f791de880aa, b2a93490201300a749ad261b5c5d05cb50179c44
Linux/Linuxgeneric	4.15	Not reported

Recommended response

Check inventory. Check lockfiles and deployed manifests for Linux/Linux, Linux/Linux.
Review the reported fix. Update Linux/Linux to 443687798d6f094412b7312b64b3bb4d99aedff7 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

Published upstream
Jun 18, 2025
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Aug 15, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Aug 15, 2026

Sources and claim methodology

Upstream source 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.

Quoted source text, attributed separately from HOL analysis.