CVE-2026-23396

A flaw was found in the Linux kernel's mac80211 component. An adjacent attacker can exploit this by sending a specially crafted Channel Switch Announcement CSA action frame. This frame, containing a valid Mesh ID Information Element IE but lacking a Mesh Configuration IE, can trigger a NULL point...

UBUNTU-CVE-2026-23396

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: fix NULL deref in meshmatcheslocal meshmatcheslocal unconditionally dereferences ie-meshconfig to compare mesh configuration parameters. When called from meshrxcsaframe, the parsed action-frame elements may not...