CVE-2026-23279

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;...

CVE-2026-23279

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;...

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;...

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;...

CVE-2026-23279

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;...

CVE-2026-23279

CVE-2026-23279 concerns the Linux kernel’s wifi/mac80211 mesh code. The issue is a NULL pointer dereference in mesh_rx_csa_frame() when the Mesh Channel Switch Parameters IE (IE 118) is absent; elems->mesh_chansw_params_ie can be NULL after mesh_matches_local(), yet code dereferences it uncond...

PT-2026-27644

Name of the Vulnerable Software and Affected Versions Linux kernel versions 3.13 through 6.17.0-5 Description A flaw exists in the Linux kernel's mac80211 module related to handling of mesh networking frames. Specifically, a NULL pointer dereference can occur in the mesh rx csa frame function whe...