CVE-2022-49969: drm/amd/display: clear optc underflow before turn off odm clock
Vulnerability summary
CVE-2022-49969 is a high (CVSS 7.8) vulnerability in linux. EPSS estimates a 0.29% chance of exploitation in the next 30 days, higher than 21.6% of scored vulnerabilities.
Not severe (CVSS 7.8, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 12 · Related 5Timeline
- 18-06-2025PublishedVulnerability first disclosed.
- 15-08-2026Last modifiedVulnerability information updated.
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.
CVSS metrics
3 scores · 3 sources · 1 version- OSV · UbuntuEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.29%
Chance of exploitation in the next 30 days
Percentile
22%
Versus all other CVEs
30-day change
Increase +0.01 pp
From 0.28% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu110 products
- linuxAll versions (No fix recorded) | < 5.4.0-132.148 | < 5.15.0-57.63
- linux-allwinner-5.19All versions (No fix recorded)
- linux-awsAll versions (No fix recorded) | < 5.4.0-1089.97 | < 5.15.0-1027.31
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ 70ccab604049bbb995a57ab3b7fe8a3c2fdbb736, < 443687798d6f094412b7312b64b3bb4d99aedff7 | ≥ 70ccab604049bbb995a57ab3b7fe8a3c2fdbb736, < 814b756d4ec3a8728debb116cf49005feada7750 | ≥ 70ccab604049bbb995a57ab3b7fe8a3c2fdbb736, < 3c1dfeaeb3b4e3ea656041da1241e6ee3c3b3202 | ≥ 70ccab604049bbb995a57ab3b7fe8a3c2fdbb736, < 5ee30bcfdb32526233d2572f3d9ec371928679f1 | ≥ 70ccab604049bbb995a57ab3b7fe8a3c2fdbb736, < 3101839b080137c367f3f88c2a040f791de880aa | ≥ 70ccab604049bbb995a57ab3b7fe8a3c2fdbb736, < b2a93490201300a749ad261b5c5d05cb50179c44 | 4.15
- linux_kernel≥ 4.15, < 4.19.257 | ≥ 4.20, < 5.4.212 | ≥ 5.5, < 5.10.141 | ≥ 5.11, < 5.15.65 | ≥ 5.16, < 5.19.7 | 6.0:rc1
Debian1 product
- linux< 6.0.2-1
3 vendors · 113 products