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CVE-2022-50535
drm/amd/display: Fix potential null-deref in dm_resume
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.

INFO

Published Date :

Oct. 7, 2025, 4:15 p.m.

Last Modified :

Oct. 8, 2025, 7:38 p.m.

Remotely Exploit :

No

Source :

416baaa9-dc9f-4396-8d5f-8c081fb06d67
Affected Products

The following products are affected by CVE-2022-50535 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Linux linux_kernel
: Total Affected Vendor : 1 | Products : 1
Solution
Address null pointer dereference by checking dc_link validity early.
  • Apply kernel patch for drm/amd/display.
  • Ensure dc_link is checked before use.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2022-50535.

URL Resource
https://git.kernel.org/stable/c/00b655fa96b4e941351cc4bf5ca755a65ae94a8e
https://git.kernel.org/stable/c/7a7175a2cd84b7874bebbf8e59f134557a34161b
https://git.kernel.org/stable/c/8e365f1bd672cc9320a936f6ae6f8087aa40e9bc
https://git.kernel.org/stable/c/9f73793b81637c60ccc83cc508645310b8ab7d80
https://git.kernel.org/stable/c/bb9a5562beb982aa5ebb73c521c49596ff8b8030
https://git.kernel.org/stable/c/d236103782de25736996a45bd36ac2a89bdc93c6
https://git.kernel.org/stable/c/fd79b61af2782f8875c78f50cdb8630ec43e2990
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2022-50535 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2022-50535 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2022-50535 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2022-50535 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Oct. 07, 2025

    Action Type Old Value New Value
    Added 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.
    Added Reference https://git.kernel.org/stable/c/00b655fa96b4e941351cc4bf5ca755a65ae94a8e
    Added Reference https://git.kernel.org/stable/c/7a7175a2cd84b7874bebbf8e59f134557a34161b
    Added Reference https://git.kernel.org/stable/c/8e365f1bd672cc9320a936f6ae6f8087aa40e9bc
    Added Reference https://git.kernel.org/stable/c/9f73793b81637c60ccc83cc508645310b8ab7d80
    Added Reference https://git.kernel.org/stable/c/bb9a5562beb982aa5ebb73c521c49596ff8b8030
    Added Reference https://git.kernel.org/stable/c/d236103782de25736996a45bd36ac2a89bdc93c6
    Added Reference https://git.kernel.org/stable/c/fd79b61af2782f8875c78f50cdb8630ec43e2990
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
No CVSS metrics available for this vulnerability.