CVE-2026-68349

In the Linux kernel, the following vulnerability has been resolved: wifi: carl9170: fix buffer overflow in rxstream failover path The failover continuation in carl9170rxstream copies the full tlen from the second USB transfer instead of capping at rxfailovermissing bytes. When both transfers are...

CVE-2026-68412 wifi: cfg80211: Fix an error handling path in cfg80211_wext_siwscan()

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: Fix an error handling path in cfg80211wextsiwscan If the test against IEEE80211MAXSSIDLEN fails, then 'creq' leaks. Use the existing error handling path to fix it...

CVE-2026-64515

A flaw was found in the Linux kernel's mac80211 Wi-Fi subsystem. This vulnerability arises from incorrect handling of Multi-Link Element MLE defragmentation. When a reconf or EPCS Enhanced Power Save MLE is present in a non-transmitted profile, the defragmentation routine uses an incorrect pointe...

CVE-2026-64325

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7921/mt7925: fix NULL dereference in CSA beacon This patch is based on a BUG as reported by Bongani Hlope at https://lore.kernel.org/all/[email protected]/ When a channel-switch...

CVE-2026-64176

In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: mvm: fix driver-set TX rates on old devices On old devices such as 7265D, rates are still encoded in version 1 format, which doesn't use the CCK/OFDM rate index 0-3/0-7 but rather their PLCP value e.g. 10 for 1 Mbp...

CVE-2026-53257

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: enforce HE/EHT cap/oper consistency Xiang Mei reports that mac80211 could crash if ehtcap is set but ehtoper isn't. Rather than fixing that for the individual users, enforce that both HE/EHT have consistent elemen...

CVE-2026-46136

A flaw was found in the Linux kernel's wifi: mt76: mt7921 component. A buffer length underflow in the CLC Country Logic Control mechanism can occur due to changes in the power table. This issue may lead to an almost infinite loop or an invalid power setting, resulting in a Denial of Service DoS b...

CVE-2026-31552

CVE-2026-31552 affects the Linux kernel wlcore wifi path. A memory-allocation failure in wl1271_tx_allocate()/wl1271_prepare_tx_frame() could yield -EAGAIN and be misinterpreted by wlcore_tx_work_locked() as a full aggregation buffer, causing a retry loop under wl->mutex with GFP_ATOMIC. This ...

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-2026-23152 wifi: mac80211: correctly decode TTLM with default link map

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: correctly decode TTLM with default link map TID-To-Link Mapping TTLM elements do not contain any link mapping presence indicator if a default mapping is used and parsing needs to be skipped. Note that access point...

CVE-2026-23130 wifi: ath12k: fix dead lock while flushing management frames

In the Linux kernel, the following vulnerability has been resolved: wifi: ath12k: fix dead lock while flushing management frames Commit 1 converted the management transmission work item into a wiphy work. Since a wiphy work can only run under wiphy lock protection, a race condition happens in bel...

UBUNTU-CVE-2026-23040

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211hwsim: fix typo in frequency notification The NAN notification is for 5745 MHz which corresponds to channel 149 and not 5475 which is not actually a valid channel. This could result in a NULL pointer dereference in...

CVE-2025-71127 wifi: mac80211: Discard Beacon frames to non-broadcast address

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: Discard Beacon frames to non-broadcast address Beacon frames are required to be sent to the broadcast address, see IEEE Std 802.11-2020, 11.1.3.1 "The Address 1 field of the Beacon .. frame shall be set to the...

CVE-2022-50880 wifi: ath10k: add peer map clean up for peer delete in ath10k_sta_state()

In the Linux kernel, the following vulnerability has been resolved: wifi: ath10k: add peer map clean up for peer delete in ath10kstastate When peer delete failed in a disconnect operation, use-after-free detected by KFENCE in below log. It is because for each vdevid and address, it has only one...

CVE-2023-54191 wifi: mt76: mt7996: fix memory leak in mt7996_mcu_exit

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7996: fix memory leak in mt7996mcuexit Always purge mcu skb queues in mt7996mcuexit routine even if mt7996firmwarestate fails...

UBUNTU-CVE-2025-68380

In the Linux kernel, the following vulnerability has been resolved: wifi: ath11k: fix peer HE MCS assignment In ath11kwmisendpeerassoccmd, peer's transmit MCS is sent to firmware as receive MCS while peer's receive MCS sent as transmit MCS, which goes against firmwire's definition. While connecti...

CVE-2023-53992

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: ocb: don't leave if not joined If there's no OCB state, don't ask the driver/mac80211 to leave, since that's just confusing. Since set/clear the chandef state, that's a simple check...

The vulnerability of the Linux operating system’s kernel Wi-Fi component allows attackers to compromise the confidentiality, integrity, and accessibility of protected information.

The vulnerability of the Linux operating system’s kernel Wi-Fi component is related to the use of memory after it is freed. Exploiting this vulnerability allows an attacker to compromise the confidentiality, integrity, and accessibility of the protected information...

kernel: wifi: mac80211: check S1G action frame size

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: check S1G action frame size Before checking the action code, check that it even exists in the frame...

UBUNTU-CVE-2025-40131

In the Linux kernel, the following vulnerability has been resolved: wifi: ath12k: Fix peer lookup in ath12kdpmonrxdelivermsdu In ath12kdpmonrxdelivermsdu, peer lookup fails because rxcb-peerid is not updated with a valid value. This is expected in monitor mode, where RX frames bypass the regular ...