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CVE-2024-39498

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: drm/mst: Fix NULL pointer dereference at drm_dp_add_payload_part2 [Why] Commit: - commit 5aa1dfcdf0a4 ("drm/mst: Refactor the f…

Published Jul 12, 2024CWE-476EPSS 0.24%

Overview

CVE-2024-39498 is a medium-severity vulnerability. It was published on July 12, 2024 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/mst: Fix NULL pointer dereference at drm_dp_add_payload_part2

[Why]

Commit:

- commit 5aa1dfcdf0a4 ("drm/mst: Refactor the flow for payload allocation/removement")

accidently overwrite the commit

- commit 54d217406afe ("drm: use mgr->dev in drm_dbg_kms in drm_dp_add_payload_part2")

which cause regression.

[How]

Recover the original NULL fix and remove the unnecessary input parameter 'state' for

drm_dp_add_payload_part2().

(cherry picked from commit 4545614c1d8da603e57b60dd66224d81b6ffc305)

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/5a507b7d2be15fddb95bf8dee01110b723e2bcd9Refgit.kernel.org/stable/c/8e21de5f99b2368a5155037ce0aae8aaba3f5241Refgit.kernel.org/stable/c/5a507b7d2be15fddb95bf8dee01110b723e2bcd9Refgit.kernel.org/stable/c/8e21de5f99b2368a5155037ce0aae8aaba3f5241

How CyberStrike helps

Frequently asked questions

What is CVE-2024-39498?

CVE-2024-39498 is a medium-severity vulnerability. It was published on July 12, 2024 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2024-39498?

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-2024-39498?

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-2024-39498?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-39498 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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