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CVE-2026-43225

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: staging: rtl8723bs: fix memory leak on failure path cfg80211_inform_bss_frame() may return NULL on failure.

Published May 6, 2026CWE-401EPSS 0.16%

Overview

CVE-2026-43225 is a medium-severity vulnerability. It was published on May 6, 2026 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:

staging: rtl8723bs: fix memory leak on failure path

cfg80211_inform_bss_frame() may return NULL on failure. In that case,

the allocated buffer 'buf' is not freed and the function returns early,

leading to potential memory leak.

Fix this by ensuring that 'buf' is freed on both success and failure paths.

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/017295b17bf1f477246c95bd253a7ef0cb4684c9Refgit.kernel.org/stable/c/8311bb40698ba027649d5d1ca84ad4bf25270546Refgit.kernel.org/stable/c/9874e33ce52ba449ab0ade78752a2d37a2294617Refgit.kernel.org/stable/c/9f70f78e22b321429afc77befecedf05543d4e2cRefgit.kernel.org/stable/c/a968c6a39607c129b8ac2c3c2a5e8923574e90d0Refgit.kernel.org/stable/c/abe850d82c8cb72d28700673678724e779b1826eRefgit.kernel.org/stable/c/af48c1a0abe849e167fc754b6c260b6d8350b6fd

How CyberStrike helps

Frequently asked questions

What is CVE-2026-43225?

CVE-2026-43225 is a medium-severity vulnerability. It was published on May 6, 2026 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2026-43225?

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-2026-43225?

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-2026-43225?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-43225 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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