CVE-2025-39864

Updated: 2025-11-03 11:18:11.013433

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"), 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.


Links NIST CIRCL RHEL Ubuntu

Severity

Severity Score
CVSS Version 2.x NONE 0.0
CVSS Version 3.x HIGH 7.0

Status

OS name Project name Version Score Severity Status Errata Last updated

Statement

AlmaLinux 9.2 ESU kernel 5.14.0 7.0 HIGH Released CLSA-2026:1767864313 2026-01-08 16:54:46
CentOS 8.4 ELS kernel 4.18.0 7.0 HIGH Released CLSA-2025:1763731262 2025-11-21 21:20:35
CentOS 8.5 ELS kernel 4.18.0 7.0 HIGH Released CLSA-2025:1763734783 2025-11-21 21:20:36
CentOS Stream 8 ELS kernel 4.18.0 7.0 HIGH In Testing CLSA-2025:1763722365 2025-12-08 17:57:37
Oracle Linux 7 ELS kernel 3.10.0 7.0 HIGH Needs Triage 2025-12-16 16:46:29
Oracle Linux 7 ELS kernel-uek 5.4.17 7.0 HIGH Needs Triage 2025-11-19 19:14:22
TuxCare 9.6 ESU kernel 5.14.0 7.0 HIGH Released CLSA-2025:1766488019 2025-12-23 19:45:48
Ubuntu 20.04 ELS linux 5.4.0 7.0 HIGH Needs Triage 2025-12-09 19:13:17