Machine-written summary
Summary written by Claude Haiku from the source advisory. Not reviewed by a person.
The Linux kernel wireless configuration code (cfg80211) accepted duplicate cipher suite entries, which can overflow a fixed array returned by SIOCGIWRANGE through the WEP compatibility path. The source gives few details on who can trigger this. Upgrade to Linux kernel 6.1.191, 6.6.160, 6.12.111, 6.18.53, or a later stable release in the same branch.
Not analysed yet
We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.
Severity and exploitation
No source has published a CVSS score for this record yet.
- CISA KEV Not listed.
- EPSS 0.0016, the 4th percentile, on 12 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.
Timeline
Sources
References from the CNA
- git.kernel.org/stable/c/539d7f795bf0c41fb533c99e6010cdfaf5a1b6a6
- git.kernel.org/stable/c/d12e92e72db914e1ea777c6f246f6be75985438e
- git.kernel.org/stable/c/1305f8b925fe92edf5fec183588dfc7db719180b
- git.kernel.org/stable/c/4cbb2360f4d8c29e67bc7a8bf6ba0ae096583923
- git.kernel.org/stable/c/7187d145d9042b037e4f10538f70cf95e380219f