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CVE-2024-43857

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix null reference error when checking end of zone This patch fixes a potentially null pointer being accessed by is_end_z…

Published Aug 17, 2024CWE-476EPSS 0.21%

Overview

CVE-2024-43857 is a medium-severity vulnerability. It was published on August 17, 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:

f2fs: fix null reference error when checking end of zone

This patch fixes a potentially null pointer being accessed by

is_end_zone_blkaddr() that checks the last block of a zone

when f2fs is mounted as a single device.

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/381cbe85592c78fbaeb3e770e3e9f3bfa3e67efbRefgit.kernel.org/stable/c/b98777309756ebe15cc9ad4e8ab64bbfaf878a3fRefgit.kernel.org/stable/c/c82bc1ab2a8a5e73d9728e80c4c2ed87e8921a38

How CyberStrike helps

Frequently asked questions

What is CVE-2024-43857?

CVE-2024-43857 is a medium-severity vulnerability. It was published on August 17, 2024 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2024-43857?

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-2024-43857?

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-2024-43857?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-43857 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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