Astra Linux - уязвимость в linux-5.10, linux

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: Do not finalize the CSA in IBSS mode if the state is disconnected When we are not connected to a channel, sending the “switch” announcement doesn’t make any sense. In that case, the BSS list is empty. This causes...

Linux Distros Unpatched Vulnerability : CVE-2026-31394

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - mac80211: fix crash in ieee80211chanbwchange for APVLAN stations ieee80211chanbwchange iterates all stations and accesses link-reserved.oper via...

CVE-2026-31394

A flaw was found in the Linux kernel's mac80211 component. This vulnerability occurs when processing stations on APVLAN interfaces, such as 4-address Wireless Distribution System WDS clients. An attacker could trigger a null pointer dereference during Channel Switch Announcement CSA operations,...

CVE-2026-31394

In the Linux kernel, the following vulnerability has been resolved: mac80211: fix crash in ieee80211chanbwchange for APVLAN stations ieee80211chanbwchange iterates all stations and accesses link-reserved.oper via sta-sdata-linklinkid. For stations on APVLAN interfaces e.g. 4addr WDS clients,...

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...

EUVD-2026-16154

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...

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...

CVE-2026-23396 wifi: mac80211: fix NULL deref in mesh_matches_local()

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...

CVE-2026-23396

The CVE-2026-23396 issue affects the Linux kernel mac80211 mesh code. The function mesh_matches_local() dereferenced ie->mesh_config without verifying presence, allowing a crafted CSA action frame that includes a Mesh ID IE but omits the Mesh Configuration IE to crash the kernel. The race is t...

SUSE 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;...

EUVD-2026-15198

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

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;...

UBUNTU-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

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

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...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-004855)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-004855 advisory. In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: Don't finalize CSA in IBSS mode if state is disconnected When we are not connecte...

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...