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CVE-2023-53384

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: wifi: mwifiex: avoid possible NULL skb pointer dereference In 'mwifiex_handle_uap_rx_forward()', always check the value returne…

Published Sep 18, 2025CWE-476EPSS 0.15%

Overview

CVE-2023-53384 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:

wifi: mwifiex: avoid possible NULL skb pointer dereference

In 'mwifiex_handle_uap_rx_forward()', always check the value

returned by 'skb_copy()' to avoid potential NULL pointer

dereference in 'mwifiex_uap_queue_bridged_pkt()', and drop

original skb in case of copying failure.

Found by Linux Verification Center (linuxtesting.org) with SVACE.

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/0c57f9ad2c3ed43abb764b0247d610ff7fdb7a00Refgit.kernel.org/stable/c/139d285e7695279f030dbb172e2d0245425c86c6Refgit.kernel.org/stable/c/231086e6a36316b823654f4535653f22d6344420Refgit.kernel.org/stable/c/35a7a1ce7c7d61664ee54f5239a1f120ab95a87eRefgit.kernel.org/stable/c/7e7197e4d6a1bc72a774590d8765909f898be1dcRefgit.kernel.org/stable/c/bef85d58f7709896ed8426560ad117a73a37762fRefgit.kernel.org/stable/c/c2509f7c37355e1f0bd5b7087815b845fd383723Refgit.kernel.org/stable/c/d155c5f64cefacdc6a9a26d40be53ee2903c28ffRefgit.kernel.org/stable/c/d7fd24b8d1bb54c5bcf583139e11a5e651e0263c

How CyberStrike helps

Frequently asked questions

What is CVE-2023-53384?

CVE-2023-53384 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-2023-53384?

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-2023-53384?

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-2023-53384?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-53384 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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