CVE-2025-39864

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description The Linux kernel contains a flaw within the wifi subsystem, specifically in the cfg80211 component, leading to a use-after-free condition in the cmp bss() function. This issue was addressed by adjusting cfg80211 update known bss() to correctly manage the freeing of beacon frame elements, ensuring they are only freed if not shared through the hidden beacon bss pointer. The issue was introduced with commit 776b3580178f.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.