CVE-2025-39849

EUVD-2025-30351
In the Linux kernel, the following vulnerability has been resolved:

wifi: cfg80211: sme: cap SSID length in __cfg80211_connect_result()

If the ssid->datalen is more than IEEE80211_MAX_SSID_LEN (32) it would
lead to memory corruption so add some bounds checking.
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
6.1.16 ≤
𝑥
< 6.1.151
linuxlinux_kernel
6.2.3 ≤
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
5.10.223-1
not-affected
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
Common Weakness Enumeration
References
https://git.kernel.org/stable/c/31229145e6ba5ace3e9391113376fa05b7831ede
https://git.kernel.org/stable/c/5cb7cab7adf9b1e6a99e2081b0e30e9e59d07523
https://git.kernel.org/stable/c/62b635dcd69c4fde7ce1de4992d71420a37e51e3
https://git.kernel.org/stable/c/8e751d46336205abc259ed3990e850a9843fb649
https://git.kernel.org/stable/c/e472f59d02c82b511bc43a3f96d62ed08bf4537f
https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html