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CVE-2025-39864

Description

In the Linux kernel, the following vulnerability has been resolved:wifi: cfg80211: fix use-after-free in cmp_bss()Following bss_free() quirk introduced in commit 776b3580178f("cfg80211: track hidden SSID networks properly"), adjustcfg80211_update_known_bss() to free the last beacon frameelements only if they're not shared via the corresponding'hidden_beacon_bss' pointer.

POC

Reference

No PoCs from references.

Github

- https://github.com/w4zu/Debian_security