CVE-2023-53153
HIGHLinux Kernel 2.6.32-4.14.308 - Use-After-Free in WiFi cfg80211 wext.connect
Title source: llmDescription
In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: Fix use after free for wext Key information in wext.connect is not reset on (re)connect and can hold data from a previous connection. Reset key data to avoid that drivers or mac80211 incorrectly detect a WEP connection request and access the freed or already reused memory. Additionally optimize cfg80211_sme_connect() and avoid an useless schedule of conn_work.
References (8)
Core 8
Core References
Scores
CVSS v3
7.8
EPSS
0.0015
EPSS Percentile
4.5%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-416
Status
published
Products (19)
Linux/Linux
< 2.6.32
Linux/Linux
2.6.32
Linux/Linux
4.14.308 - 4.14.*
Linux/Linux
4.19.276 - 4.19.*
Linux/Linux
5.10.173 - 5.10.*
Linux/Linux
5.15.99 - 5.15.*
Linux/Linux
5.4.235 - 5.4.*
Linux/Linux
6.1.16 - 6.1.*
Linux/Linux
6.2.3 - 6.2.*
Linux/Linux
6.3
... and 9 more
Published
Sep 15, 2025
Tracked Since
Feb 18, 2026