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CVE-2026-43179

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: erofs: fix incorrect early exits for invalid metabox-enabled images Crafted EROFS images with metadata compression enabled can…

Published May 6, 2026EPSS 0.16%

Overview

CVE-2026-43179 is a medium-severity vulnerability. It was published on May 6, 2026 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:

erofs: fix incorrect early exits for invalid metabox-enabled images

Crafted EROFS images with metadata compression enabled can trigger

incorrect early returns, leading to folio reference leaks.

However, this does not cause system crashes or other severe issues.

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/041b5163bb9b2e81050bcd885b3373bf2f42d5f5Refgit.kernel.org/stable/c/56e4a84220045b6af0f1efc11825b39217c7decfRefgit.kernel.org/stable/c/643575d5a4f24b23b0c54aa20aa74a4abed8ff5e

How CyberStrike helps

Frequently asked questions

What is CVE-2026-43179?

CVE-2026-43179 is a medium-severity vulnerability. It was published on May 6, 2026 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2026-43179?

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-2026-43179?

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-2026-43179?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-43179 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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