CVE-2022-50535: drm/amd/display: Fix potential null-deref in dm_resume
Vulnerability summary
CVE-2022-50535 is a medium (CVSS 5.5) NULL Pointer Dereference vulnerability in linux. EPSS estimates a 0.16% chance of exploitation in the next 30 days, higher than 5.1% of scored vulnerabilities.
Not severe (CVSS 5.5, 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
- 07-10-2025PublishedVulnerability first disclosed.
- 15-08-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix potential null-deref in dm_resume [Why] Fixing smatch error: dm_resume() error: we previously assumed 'aconnector->dc_link' could be null [How] Check if dc_link null at the beginning of the loop, so further checks can be dropped.
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.16%
Chance of exploitation in the next 30 days
Percentile
5%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.16% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot 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.
Ubuntu122 products
- linuxAll versions (No fix recorded) | < 5.4.0-152.169 | < 5.15.0-75.82
- linux-allwinner-5.19All versions (No fix recorded)
- linux-awsAll versions (No fix recorded) | < 5.4.0-1104.112 | < 5.15.0-1038.43
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ e0082f71e5d2481ce59d49dbfd3677f5fdc85836, < fd79b61af2782f8875c78f50cdb8630ec43e2990 | ≥ dd9b4b435a56a7a29c7d1ccc6479847354842255, < d236103782de25736996a45bd36ac2a89bdc93c6 | ≥ 4b44cd5840577479ee6ed387371dd1d1252ca921, < 9f73793b81637c60ccc83cc508645310b8ab7d80 | ≥ 6a03581ccffa571bfa1a9f3a097e1a4d7164fd2d, < bb9a5562beb982aa5ebb73c521c49596ff8b8030 | ≥ f4346fb3edf7720db3f7f5e1cab1f667cd024280, < 8e365f1bd672cc9320a936f6ae6f8087aa40e9bc | ≥ f4346fb3edf7720db3f7f5e1cab1f667cd024280, < 00b655fa96b4e941351cc4bf5ca755a65ae94a8e | ≥ f4346fb3edf7720db3f7f5e1cab1f667cd024280, < 7a7175a2cd84b7874bebbf8e59f134557a34161b | 2983416458b2e09f7246e8e55df78ccf5968693b | ≥ 4.19.239, < 4.19.276 | ≥ 5.4.190, < 5.4.235 | ≥ 5.10.112, < 5.10.173 | ≥ 5.15.35, < 5.15.99 | ≥ 5.17.4, < 5.18 | 5.18
- linux_kernel≥ 4.15, < 4.19.276 | ≥ 4.20, < 5.4.235 | ≥ 5.5, < 5.10.173 | ≥ 5.11, < 5.15.99 | ≥ 5.16, < 6.1.16 | ≥ 6.2, < 6.2.3
Debian1 product
- linux< 6.1.20-1
3 vendors · 125 products
