CVE-2025-39849

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.

Score

CVSS 3.1 8.8 High

Status

Modified - 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Published

2025-09-19

Last modified

2026-10-19

Weaknesses

CWE-787

Affected products

• Debian Linux (Debian)
• Linux Kernel (Linux)
• Simatic Cn 4100 (Siemens)

References

• https://git.kernel.org/stable/c/8e751d46336205abc259ed3990e850a9843fb649
• https://git.kernel.org/stable/c/e472f59d02c82b511bc43a3f96d62ed08bf4537f
• https://git.kernel.org/stable/c/31229145e6ba5ace3e9391113376fa05b7831ede
• https://git.kernel.org/stable/c/5cb7cab7adf9b1e6a99e2081b0e30e9e59d07523
• https://git.kernel.org/stable/c/62b635dcd69c4fde7ce1de4992d71420a37e51e3
• https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html
• https://cert-portal.siemens.com/productcert/html/ssa-032379.html