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CVE-2024-56767

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: dmaengine: at_xdmac: avoid null_prt_deref in at_xdmac_prep_dma_memset The at_xdmac_memset_create_desc may return NULL, which wi…

Published Jan 6, 2025CWE-476EPSS 0.22%

Overview

CVE-2024-56767 is a medium-severity vulnerability. It was published on January 6, 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:

dmaengine: at_xdmac: avoid null_prt_deref in at_xdmac_prep_dma_memset

The at_xdmac_memset_create_desc may return NULL, which will lead to a

null pointer dereference. For example, the len input is error, or the

atchan->free_descs_list is empty and memory is exhausted. Therefore, add

check to avoid this.

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/3d229600c54e9e0909080ecaf1aab0642aefa5f0Refgit.kernel.org/stable/c/54376d8d26596f98ed7432a788314bb9154bf3e3Refgit.kernel.org/stable/c/8d364597de9ce2a5f52714224bfe6c2e7a29b303Refgit.kernel.org/stable/c/c43ec96e8d34399bd9dab2f2dc316b904892133fRefgit.kernel.org/stable/c/e658f1c133b854b2ae799147301d82dddb8f3162Refgit.kernel.org/stable/c/ed1a8aaa344522c0c349ac9042db27ad130ef913Refgit.kernel.org/stable/c/fdba6d5e455388377ec7e82a5913ddfcc7edd93bReflists.debian.org/debian-lts-announce/2025/03/msg00001.htmlReflists.debian.org/debian-lts-announce/2025/03/msg00002.html

How CyberStrike helps

Frequently asked questions

What is CVE-2024-56767?

CVE-2024-56767 is a medium-severity vulnerability. It was published on January 6, 2025 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2024-56767?

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-2024-56767?

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-2024-56767?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-56767 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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