CVE-2026-98704

The Linux kernel contains a vulnerability in the wifi: mac80211 component where associating with a non-transmitted MBSSID profile can result in a use-after-free condition. When an association response omits WMM, HT, or VHT information, the ieee80211_assoc_config_link() function parses cached BSS ...

CVE-2026-98704 wifi: mac80211: keep fallback association elements alive

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: keep fallback association elements alive Associating to a non-transmitted MBSSID profile reads freed memory while determining the operating channel and applying HT capabilities. When an association response omits...

CVE-2026-98703 wifi: mac80211: minstrel_ht: validate fixed rate index

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: minstrelht: validate fixed rate index The fixedrateidx debugfs file is a plain u32 attribute, so any value can be written to it. minstrelhtupdatestats then copies the value into mi-maxtprate and mi-maxprobrate, an...

CVE-2026-98703

The Linux kernel contains an out-of-bounds memory corruption vulnerability in the wifi: mac80211: minstrel_ht component. The fixed_rate_idx debugfs file accepts arbitrary u32 values, which are then used to index minstrel_mcs_groups[] and mi->groups[].rates[] arrays. Providing an out-of-bounds ...

EUVD-2026-103957

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: minstrelht: validate fixed rate index The fixedrateidx debugfs file is a plain u32 attribute, so any value can be written to it. minstrelhtupdatestats then copies the value into mi-maxtprate and mi-maxprobrate, an...

CVE-2026-98702 wifi: mac80211: reject invalid 320 MHz CSA bandwidth

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: reject invalid 320 MHz CSA bandwidth The HT/VHT channel definition validator can receive a 320 MHz bandwidth indication from a received CSA frame on a non-6 GHz link. It warns for this unsupported width but...

CVE-2026-98702

The Linux kernel contains a vulnerability in the wifi: mac80211 component where the HT/VHT channel definition validator can receive a 320 MHz bandwidth indication from a CSA frame on a non-6 GHz link. The system warns about the unsupported width but proceeds with an uninitialized vht_operation.ch...

EUVD-2026-103956

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: reject invalid 320 MHz CSA bandwidth The HT/VHT channel definition validator can receive a 320 MHz bandwidth indication from a received CSA frame on a non-6 GHz link. It warns for this unsupported width but...

CVE-2026-98701 wifi: mac80211: release mesh path quota on failed additions

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: release mesh path quota on failed additions Repeated failed or duplicate mesh path additions can exhaust MESHMAXMPATHS while the path table holds fewer paths, which stops new paths to reachable destinations from...

CVE-2026-98701

The Linux kernel contains a vulnerability in the wifi: mac80211 component where repeated failed or duplicate mesh path additions can exhaust the MESH_MAX_MPATHS quota. The root cause is that the mesh_path_add() function reserves a slot before allocation and insertion; however, if allocation fails...

EUVD-2026-103955

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: release mesh path quota on failed additions Repeated failed or duplicate mesh path additions can exhaust MESHMAXMPATHS while the path table holds fewer paths, which stops new paths to reachable destinations from...

CVE-2026-98700 wifi: mac80211: set info->band for 802.3 encap offload frames

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: set info-band for 802.3 encap offload frames Unlike the 802.11 TX paths, ieee802118023xmit does not set info-band from the channel context on non-MLD interfaces. It stays at 0, so ieee80211gettxrates uses the wron...

CVE-2026-98700

The Linux kernel contains a vulnerability in the mac80211 component where the ieee80211_8023_xmit() function fails to set the info->band from the channel context for non-MLD interfaces during 802.3 encap offload frames. This causes ieee80211_get_tx_rates() to utilize the incorrect band. The fi...

EUVD-2026-103954

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: set info-band for 802.3 encap offload frames Unlike the 802.11 TX paths, ieee802118023xmit does not set info-band from the channel context on non-MLD interfaces. It stays at 0, so ieee80211gettxrates uses the wron...

CVE-2026-98699

The Linux kernel contains a Use-After-Free (UAF) vulnerability in the wifi: mac80211 component related to the mesh fast xmit path . The issue occurs because mesh_fast_tx_cache() stores raw mesh_path pointers; while path deletion flushes the cache and frees the path via kfree_rcu() , a concurrent ...

CVE-2026-98699 wifi: mac80211: fix mesh fast xmit path deletion UAF

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: fix mesh fast xmit path deletion UAF meshfasttxcache stores raw meshpath pointers. Path deletion flushes the cache and then frees the path with kfreercu, but a lookup that already holds the path can insert a new...

EUVD-2026-103953

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: fix mesh fast xmit path deletion UAF meshfasttxcache stores raw meshpath pointers. Path deletion flushes the cache and then frees the path with kfreercu, but a lookup that already holds the path can insert a new...

CVE-2026-98698

The Linux kernel contains a vulnerability in the wifi: mac80211 component when handling a FILS association request frame where the last element is a FILS Session element. Specifically, the function fils_encrypt_assoc_req() may receive a zero-length crypt_len, causing aes_siv_encrypt() to be calle...

CVE-2026-98698 wifi: mac80211: handle empty FILS association request payload

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: handle empty FILS association request payload filsencryptassocreq accepts a ReAssociation Request frame whose last element is the FILS Session element. cryptlen is then zero and aessivencrypt is called with an emp...

EUVD-2026-103952

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: handle empty FILS association request payload filsencryptassocreq accepts a ReAssociation Request frame whose last element is the FILS Session element. cryptlen is then zero and aessivencrypt is called with an emp...