cvedb.io
CVE-2025-39864
HIGH · CVSS 7.8
EPSS exploitation probability: 0%
Published 2025-09-19T16:15:45.420 · Last modified 2026-06-17T09:18:39.550

Summary

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"), adjust cfg80211_update_known_bss() to free the last beacon frame elements only if they're not shared via the corresponding 'hidden_beacon_bss' pointer.

Affected products

linux — linux_kernel

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.