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CVE-2024-53685

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: ceph: give up on paths longer than PATH_MAX If the full path to be built by ceph_mdsc_build_path() happens to be longer than PA…

Published Jan 11, 2025CWE-835EPSS 0.23%

Overview

CVE-2024-53685 is a medium-severity vulnerability. It was published on January 11, 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:

ceph: give up on paths longer than PATH_MAX

If the full path to be built by ceph_mdsc_build_path() happens to be

longer than PATH_MAX, then this function will enter an endless (retry)

loop, effectively blocking the whole task. Most of the machine

becomes unusable, making this a very simple and effective DoS

vulnerability.

I cannot imagine why this retry was ever implemented, but it seems

rather useless and harmful to me. Let's remove it and fail with

ENAMETOOLONG instead.

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/0f2b2d9e881c90402dbe28f9ba831775b7992e1fRefgit.kernel.org/stable/c/550f7ca98ee028a606aa75705a7e77b1bd11720fRefgit.kernel.org/stable/c/99a37ab76a315c8307eb5b0dc095d8ad9d8efeaaRefgit.kernel.org/stable/c/c47ed91156daf328601d02b58d52d9804da54108Refgit.kernel.org/stable/c/d42ad3f161a5a487f81915c406f46943c7187a0aRefgit.kernel.org/stable/c/e4b168c64da06954be5d520f6c16469b1cadc069Reflists.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-2024-53685?

CVE-2024-53685 is a medium-severity vulnerability. It was published on January 11, 2025 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2024-53685?

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-2024-53685?

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-2024-53685?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-53685 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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