CVE-2025-39849: Debian Linux

High severity, CVSS 7.8. EPSS: 0.2% chance of exploitation in the next 30 days.

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.

Affected products

• Debian Debian Linux: version 11.0 only
• Linux Linux Kernel: from 6.1.16, before 6.1.151 (fixed in 6.1.151); from 6.2.3, before 6.6.105 (fixed in 6.6.105); from 6.7, before 6.12.46 (fixed in 6.12.46); from 6.13, before 6.16.6 (fixed in 6.16.6); version 6.17 only

Published 2025-09-19. Last modified 2026-07-30.