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CVE-2023-53380

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: md/raid10: fix null-ptr-deref of mreplace in raid10_sync_request There are two check of 'mreplace' in raid10_sync_request().

Published Sep 18, 2025CWE-476EPSS 0.15%

Overview

CVE-2023-53380 is a medium-severity vulnerability. It was published on September 18, 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:

md/raid10: fix null-ptr-deref of mreplace in raid10_sync_request

There are two check of 'mreplace' in raid10_sync_request(). In the first

check, 'need_replace' will be set and 'mreplace' will be used later if

no-Faulty 'mreplace' exists, In the second check, 'mreplace' will be

set to NULL if it is Faulty, but 'need_replace' will not be changed

accordingly. null-ptr-deref occurs if Faulty is set between two check.

Fix it by merging two checks into one. And replace 'need_replace' with

'mreplace' because their values are always the same.

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/144c7fd008e0072b0b565f1157eec618de54ca8aRefgit.kernel.org/stable/c/222cc459d59857ee28a5366dc225ab42b22f9272Refgit.kernel.org/stable/c/2990e2ece18dd4cca71b3109c80517ad94adb065Refgit.kernel.org/stable/c/34817a2441747b48e444cb0e05d84e14bc9443daRefgit.kernel.org/stable/c/45fa023b3334a7ae6f6c4eb977295804222dfa28Refgit.kernel.org/stable/c/b5015b97adda6a24dd3e713c63e521ecbeff25c6Refgit.kernel.org/stable/c/f4368a462b1f9a8ecc2fdb09a28c3d4cad302a4f

How CyberStrike helps

Frequently asked questions

What is CVE-2023-53380?

CVE-2023-53380 is a medium-severity vulnerability. It was published on September 18, 2025 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2023-53380?

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-2023-53380?

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-2023-53380?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-53380 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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