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CVE-2023-53614

4.7 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: mm/ksm: fix race with VMA iteration and mm_struct teardown exit_mmap() will tear down the VMAs and maple tree with the mmap_loc…

Published Oct 4, 2025CWE-362EPSS 0.11%

Overview

CVE-2023-53614 is a medium-severity vulnerability. It was published on October 4, 2025 and has a CVSS 3.1 base score of 4.7 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 4.7, 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:

mm/ksm: fix race with VMA iteration and mm_struct teardown

exit_mmap() will tear down the VMAs and maple tree with the mmap_lock held

in write mode. Ensure that the maple tree is still valid by checking

ksm_test_exit() after taking the mmap_lock in read mode, but before the

for_each_vma() iterator dereferences a destroyed maple tree.

Since the maple tree is destroyed, the flags telling lockdep to check an

external lock has been cleared. Skip the for_each_vma() iterator to avoid

dereferencing a maple tree without the external lock flag, which would

create a lockdep warning.

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/286b0cab31bac29960e5684f6fb331d42f03b363Refgit.kernel.org/stable/c/6db504ce55bdbc575723938fc480713c9183f6a2Refgit.kernel.org/stable/c/b4f664ffd8f78c05a1fd542a28bc5a11e994c014

How CyberStrike helps

Frequently asked questions

What is CVE-2023-53614?

CVE-2023-53614 is a medium-severity vulnerability. It was published on October 4, 2025 and has a CVSS 3.1 base score of 4.7 (MEDIUM).

How severe is CVE-2023-53614?

This vulnerability has a CVSS 3.1 base score of 4.7, 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-2023-53614?

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-2023-53614?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-53614 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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