CVE-2022-50079: drm/amd/display: Check correct bounds for stream encoder instances for DCN303
Vulnerability summary
CVE-2022-50079 is a high (CVSS 7.1) Out-of-bounds Read vulnerability in linux. EPSS estimates a 0.27% chance of exploitation in the next 30 days, higher than 19.7% of scored vulnerabilities.
Not severe (CVSS 7, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 6 · Related 4Timeline
- 18-06-2025PublishedVulnerability first disclosed.
- 05-08-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Check correct bounds for stream encoder instances for DCN303 [Why & How] eng_id for DCN303 cannot be more than 1, since we have only two instances of stream encoders. Check the correct boundary condition for engine ID for DCN303 prevent the potential out of bounds access.
CVSS metrics
4 scores · 4 sources · 1 version- CVE.orgCNA7.0HighCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:HDiffers
- OSV · UbuntuEcosystem advisory · calculated7.0HighCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:HDiffers
- OSV · DebianEcosystem advisory · calculated7.1HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
EPSS trend
Probability
0.27%
Chance of exploitation in the next 30 days
Percentile
20%
Versus all other CVEs
30-day change
Increase +0.01 pp
From 0.27% 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 causeAffected systems
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu94 products
- linux< 5.15.0-53.59
- linux-allwinner-5.19All versions (No fix recorded)
- linux-aws< 5.15.0-1023.27
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ cd6d421e3d1ad5926b74091254e345db730e7706, < 82a27c1855445d48aacc67b0c0640f3dadebe52f | ≥ cd6d421e3d1ad5926b74091254e345db730e7706, < 4c31dca1799612eb3b6413e3e574f90c3fb8f865 | ≥ cd6d421e3d1ad5926b74091254e345db730e7706, < 89b008222c2bf21e50219725caed31590edfd9d1 | 5.14
- linux_kernel≥ 5.14, < 5.15.63 | ≥ 5.16, < 5.19.4 | 6.0:rc1
Debian1 product
- linux< 6.0.2-1
3 vendors · 97 products