CVE-2025-39864

EUVD-2025-30336
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.8 HIGH
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 1%
Affected Products (NVD)
VendorProductVersion
linuxlinux_kernel
5.4 ≤
𝑥
< 5.4.299
linuxlinux_kernel
5.5 ≤
𝑥
< 5.10.243
linuxlinux_kernel
5.11 ≤
𝑥
< 5.15.192
linuxlinux_kernel
5.16 ≤
𝑥
< 6.1.151
linuxlinux_kernel
6.2 ≤
𝑥
< 6.6.105
linuxlinux_kernel
6.7 ≤
𝑥
< 6.12.46
linuxlinux_kernel
6.13 ≤
𝑥
< 6.16.6
linuxlinux_kernel
6.17:rc1
linuxlinux_kernel
6.17:rc2
linuxlinux_kernel
6.17:rc3
linuxlinux_kernel
6.17:rc4
debiandebian_linux
11.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
linux
bookworm
6.1.159-1
fixed
bookworm (security)
6.1.162-1
fixed
bullseye
vulnerable
bullseye (security)
5.10.249-1
fixed
forky
6.18.9-1
fixed
sid
6.18.12-1
fixed
trixie
6.12.63-1
fixed
trixie (security)
6.12.73-1
fixed
linux-6.1
bullseye (security)
6.1.162-1~deb11u1
fixed