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CVE-2024-27046

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: nfp: flower: handle acti_netdevs allocation failure The kmalloc_array() in nfp_fl_lag_do_work() will return null, if the physic…

Published May 1, 2024CWE-476EPSS 0.30%

Overview

CVE-2024-27046 is a medium-severity vulnerability. It was published on May 1, 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:

nfp: flower: handle acti_netdevs allocation failure

The kmalloc_array() in nfp_fl_lag_do_work() will return null, if

the physical memory has run out. As a result, if we dereference

the acti_netdevs, the null pointer dereference bugs will happen.

This patch adds a check to judge whether allocation failure occurs.

If it happens, the delayed work will be rescheduled and try again.

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/0d387dc503f9a53e6d1f6e9dd0292d38f083eba5Refgit.kernel.org/stable/c/3b1e8a617eb0f4cdc19def530047a95b5abde07dRefgit.kernel.org/stable/c/408ba7fd04f959c61b50db79c983484312fea642Refgit.kernel.org/stable/c/84e95149bd341705f0eca6a7fcb955c548805002Refgit.kernel.org/stable/c/928705e341010dd910fdece61ccb974f494a758fRefgit.kernel.org/stable/c/9d8eb1238377cd994829f9162ae396a84ae037b2Refgit.kernel.org/stable/c/c8df9203bf22c66fa26e8d8c7f8ce181cf88099dRefgit.kernel.org/stable/c/c9b4e220dd18f79507803f38a55d53b483f6c9c3Refgit.kernel.org/stable/c/d746889db75a76aeee95fb705b8e1ac28c684a2eRefgit.kernel.org/stable/c/0d387dc503f9a53e6d1f6e9dd0292d38f083eba5

How CyberStrike helps

Frequently asked questions

What is CVE-2024-27046?

CVE-2024-27046 is a medium-severity vulnerability. It was published on May 1, 2024 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2024-27046?

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-2024-27046?

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-2024-27046?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-27046 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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