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CVE-2024-50210

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: posix-clock: posix-clock: Fix unbalanced locking in pc_clock_settime() If get_clock_desc() succeeds, it calls fget() for the cl…

Published Nov 8, 2024CWE-667EPSS 0.17%

Overview

CVE-2024-50210 is a medium-severity vulnerability. It was published on November 8, 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:

posix-clock: posix-clock: Fix unbalanced locking in pc_clock_settime()

If get_clock_desc() succeeds, it calls fget() for the clockid's fd,

and get the clk->rwsem read lock, so the error path should release

the lock to make the lock balance and fput the clockid's fd to make

the refcount balance and release the fd related resource.

However the below commit left the error path locked behind resulting in

unbalanced locking. Check timespec64_valid_strict() before

get_clock_desc() to fix it, because the "ts" is not changed

after that.

[[email protected]: fixed commit message typo]

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/1ba33b327c3f88a7baee598979d73ab5b44d41ccRefgit.kernel.org/stable/c/5f063bbf1ee6b01611c016b54e050a41506eb794Refgit.kernel.org/stable/c/6e62807c7fbb3c758d233018caf94dfea9c65dbdRefgit.kernel.org/stable/c/a8219446b95a859488feaade674d13f9efacfa32Refgit.kernel.org/stable/c/b27330128eca25179637c1816d5a72d6cc408c66Refgit.kernel.org/stable/c/c7fcfdba35abc9f39b83080c2bce398dad13a943Refgit.kernel.org/stable/c/d005400262ddaf1ca1666bbcd1acf42fe81d57ceRefgit.kernel.org/stable/c/e56e0ec1b79f5a6272c6e78b36e9d593aa0449afReflists.debian.org/debian-lts-announce/2025/01/msg00001.htmlReflists.debian.org/debian-lts-announce/2025/03/msg00002.html

How CyberStrike helps

Frequently asked questions

What is CVE-2024-50210?

CVE-2024-50210 is a medium-severity vulnerability. It was published on November 8, 2024 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2024-50210?

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-2024-50210?

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-2024-50210?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-50210 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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