7.1

CVE-2022-50079: drm/amd/display: Check correct bounds for stream encoder instances for DCN303

Modified
AliasesUBUNTU-CVE-2022-50079DEBIAN-CVE-2022-50079
Published 18-06-2025Last modified 05-08-2026

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.

Priority
Routine

Not severe (CVSS 7, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
7.1/10
010
High · v3.1 (NVD)
EPSS score
0.27%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 6 · Related 4

Timeline

  1. 18-06-2025
    PublishedVulnerability first disclosed.
  2. 05-08-2026
    Last 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

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

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

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

References

6 links