CVE-2026-23279

A flaw was found in the Linux kernel's mac80211 component. A remote mesh peer with an established peer link can trigger a kernel NULL pointer dereference by sending a specially crafted Wi-Fi Wireless Fidelity management frame. This frame, a SPECTRUMMGMT/CHLSWITCH action frame, omits a required...

CVE-2026-23279 wifi: mac80211: fix NULL pointer dereference in mesh_rx_csa_frame()

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: fix NULL pointer dereference in meshrxcsaframe In meshrxcsaframe, elems-meshchanswparamsie is dereferenced at lines 1638 and 1642 without a prior NULL check: ifmsh-chswttl = elems-meshchanswparamsie-meshttl;...