CVE-2025-37973

wifi: cfg80211: fix out-of-bounds access during multi-link element defragmentation

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: fix out-of-bounds access during multi-link element defragmentation Currently during the multi-link element defragmentation process, the multi-link element length added to the total IEs length when calculating the length of remaining IEs after the multi-link element in cfg80211_defrag_mle(). This could lead to out-of-bounds access if the multi-link element or its corresponding fragment elements are the last elements in the IEs buffer. To address this issue, correctly calculate the remaining IEs length by deducting the multi-link element end offset from total IEs end offset.

N/A

CVSS

Severity:

EPSS 0.02%

Affected: Linux Linux

References

Link	Tags
https://git.kernel.org/stable/c/73dde269a1a43e6b1aa92eba13ad2df58bfdd38e
https://git.kernel.org/stable/c/9423f6da825172b8dc60d4688ed3d147291c3be9
https://git.kernel.org/stable/c/e1c6d0c6199bd5f4cfc7a66ae7032b6e805f904d
https://git.kernel.org/stable/c/023c1f2f0609218103cbcb48e0104b144d4a16dc

Frequently Asked Questions

What is the severity of CVE-2025-37973?: CVE-2025-37973 has not yet been assigned a CVSS score.
How to fix CVE-2025-37973?: To fix CVE-2025-37973, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-37973 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2025-37973 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-37973?: CVE-2025-37973 affects Linux Linux, Linux Linux.

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