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CVE-2026-43419

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: ceph: fix memory leaks in ceph_mdsc_build_path() Add __putname() calls to error code paths that did not free the "path" pointer…

Published May 8, 2026CWE-401EPSS 0.16%

Overview

CVE-2026-43419 is a medium-severity vulnerability. It was published on May 8, 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:

ceph: fix memory leaks in ceph_mdsc_build_path()

Add __putname() calls to error code paths that did not free the "path"

pointer obtained by __getname(). If ownership of this pointer is not

passed to the caller via path_info.path, the function must free it

before returning.

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/040d159a45ded7f33201421a81df0aa2a86e5a0bRefgit.kernel.org/stable/c/097cd68f46686391a98f2618188f0cb7b7570de2Refgit.kernel.org/stable/c/13b8b9d6f59ef17fb96c298c3a0d62a8306950ccRefgit.kernel.org/stable/c/5895d0164c84d7fec6abc198920c257f55c51899Refgit.kernel.org/stable/c/657dc653b06a3cc0282aea447a3f137fa94066a4

How CyberStrike helps

Frequently asked questions

What is CVE-2026-43419?

CVE-2026-43419 is a medium-severity vulnerability. It was published on May 8, 2026 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2026-43419?

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-2026-43419?

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-2026-43419?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-43419 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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