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CVE-2025-38644

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: reject TDLS operations when station is not associated syzbot triggered a WARN in ieee80211_tdls_oper() by sendi…

Published Aug 22, 2025CWE-908EPSS 0.16%

Overview

CVE-2025-38644 is a medium-severity vulnerability. It was published on August 22, 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: mac80211: reject TDLS operations when station is not associated

syzbot triggered a WARN in ieee80211_tdls_oper() by sending

NL80211_TDLS_ENABLE_LINK immediately after NL80211_CMD_CONNECT,

before association completed and without prior TDLS setup.

This left internal state like sdata->u.mgd.tdls_peer uninitialized,

leading to a WARN_ON() in code paths that assumed it was valid.

Reject the operation early if not in station mode or not associated.

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/0c84204cf0bbe89e454a5caccc6a908bc7db1542Refgit.kernel.org/stable/c/16ecdab5446f15a61ec88eb0d23d25d009821db0Refgit.kernel.org/stable/c/31af06b574394530f68a4310c45ecbe2f68853c4Refgit.kernel.org/stable/c/378ae9ccaea3f445838a087962a067b5cb2e8577Refgit.kernel.org/stable/c/4df663d4c1ca386dcab2f743dfc9f0cc07aef73cRefgit.kernel.org/stable/c/af72badd5ee423eb16f6ad7fe0a62f1b4252d848Reflists.debian.org/debian-lts-announce/2025/10/msg00008.html

How CyberStrike helps

Frequently asked questions

What is CVE-2025-38644?

CVE-2025-38644 is a medium-severity vulnerability. It was published on August 22, 2025 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2025-38644?

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-2025-38644?

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-2025-38644?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-38644 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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