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CVE-2022-49232

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix a NULL pointer dereference in amdgpu_dm_connector_add_common_modes() In amdgpu_dm_connector_add_common_mod…

Published Feb 26, 2025CWE-476EPSS 0.27%

Overview

CVE-2022-49232 is a medium-severity vulnerability. It was published on February 26, 2025 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

In the Linux kernel, the following vulnerability has been resolved:

drm/amd/display: Fix a NULL pointer dereference in amdgpu_dm_connector_add_common_modes()

In amdgpu_dm_connector_add_common_modes(), amdgpu_dm_create_common_mode()

is assigned to mode and is passed to drm_mode_probed_add() directly after

that. drm_mode_probed_add() passes &mode->head to list_add_tail(), and

there is a dereference of it in list_add_tail() without recoveries, which

could lead to NULL pointer dereference on failure of

amdgpu_dm_create_common_mode().

Fix this by adding a NULL check of mode.

This bug was found by a static analyzer.

Builds with 'make allyesconfig' show no new warnings,

and our static analyzer no longer warns about this code.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refgit.kernel.org/stable/c/19a7eba284790cfbba2945deb2363cf03ce41648Refgit.kernel.org/stable/c/2c729dec8c1e3e2892fde5ce8181553860914e74Refgit.kernel.org/stable/c/57f4ad5e286fe4599c8fc63cf89f85f9eec7f9c9Refgit.kernel.org/stable/c/588a70177df3b1777484267584ef38ab2ca899a2Refgit.kernel.org/stable/c/639b3b9def0a6a3f316a195d705d14113236e89cRefgit.kernel.org/stable/c/bdc7429708a0772d90c208975694f7c2133b1202Refgit.kernel.org/stable/c/f4eaa999fec78dec2a9c2d797438e05cbffb125b

How CyberStrike helps

Frequently asked questions

What is CVE-2022-49232?

CVE-2022-49232 is a medium-severity vulnerability. It was published on February 26, 2025 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2022-49232?

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2022-49232?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2022-49232?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2022-49232 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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