CVE-2025-39849
Published: September 20, 2025Last modified: September 20, 2025
Description
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.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.8 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity impact | HIGH |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | linux-lts | Fixed (6.1.151-r0) |
| 25 LTS | linux-lts | Fixed (6.12.51-r0) | |
| Stream | linux-lts | Fixed (6.12.46-r0) |
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