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.

CVSS 3.1

7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS

0.2% chance of exploitation in the next 30 days; higher than 12% of CVEs (scores of 2026-10-25)

CWE

CWE-787

Published

2025-09-19

Modified

2026-10-19

Record from

the NVD, synced 2026-10-21

Affected

• debian:debian_linux
• linux:linux_kernel

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

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