UBUNTU-CVE-2026-68471

In the Linux kernel, the following vulnerability has been resolved: wifi: ieee80211: validate MLE common info length ieee80211mlecommonsize uses the first common-info octet as the common information length for all known MLE types. However, ieee80211mlesizeok only validates that octet for Basic,...

UBUNTU-CVE-2026-68470

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: validate extension-frame layout before RX Extension frames only have the extension header at the regular 802.11 header offset. The generic RX path can still reach helpers and interface dispatch code that read...

UBUNTU-CVE-2026-68464

In the Linux kernel, the following vulnerability has been resolved: mmc: sdhci-esdhc-imx: disable irq during suspend to fix unhandled interrupt When using WIFI out-of-band wakeup, an "irq xxx: nobody cared" warning occurs. This happens because the usdhc interrupt is not disabled during system...

UBUNTU-CVE-2026-68469

In the Linux kernel, the following vulnerability has been resolved: wifi: mwifiex: fix permanently busy scans after multiple roam iterations In order for the firmware to sleep, the driver has to confirm a previously received sleep request. The normal sequence of evets goes like this: EVENTSLEEP -...

CVE-2026-74410 wifi: rtw88: fix OOB read from firmware RX descriptor exceeding DMA buffer

In the Linux kernel, the following vulnerability has been resolved: wifi: rtw88: fix OOB read from firmware RX descriptor exceeding DMA buffer In rtwpcirxnapi, newlen is computed as the sum of pktlen 14-bit descriptor field, max 16383 and pktoffset drvinfosz + shift, both firmware-controlled. The...

CVE-2026-74409 wifi: rtw89: add bounds check on firmware mac_id in link lookup

In the Linux kernel, the following vulnerability has been resolved: wifi: rtw89: add bounds check on firmware macid in link lookup The macid field in RX descriptors is 8 bits wide 0-255, but assoclinkonmacid has only RTW89MAXMACIDNUM 128 entries. While the driver currently assigns macid values...

CVE-2026-74409 wifi: rtw89: add bounds check on firmware mac_id in link lookup

In the Linux kernel, the following vulnerability has been resolved: wifi: rtw89: add bounds check on firmware macid in link lookup The macid field in RX descriptors is 8 bits wide 0-255, but assoclinkonmacid has only RTW89MAXMACIDNUM 128 entries. While the driver currently assigns macid values...

CVE-2026-74408

The Linux kernel WiFi driver ath9k has a vulnerability (CVE-2026-74408) where ath_tx_edma_tasklet() accesses sc->tx.txq[ts.qid] with ts.qid being a 4-bit field (0-15) while the txq array supports only ATH9K_NUM_TX_QUEUES (10). A qid of 10 or higher causes an out-of-bounds access. The documente...

CVE-2026-74408 wifi: ath9k: fix OOB access from firmware tx status queue ID

In the Linux kernel, the following vulnerability has been resolved: wifi: ath9k: fix OOB access from firmware tx status queue ID athtxedmatasklet accesses sc-tx.txqts.qid where ts.qid is a 4-bit hardware field 0-15, but the txq array only has ATH9KNUMTXQUEUES 10 entries. A qid = 10 causes an OOB...

CVE-2026-74367 wifi: ath12k: fix inconsistent arvif state in vdev_create error paths

In the Linux kernel, the following vulnerability has been resolved: wifi: ath12k: fix inconsistent arvif state in vdevcreate error paths ath12kmacvdevcreate has three error path issues that leave arvif in an inconsistent state: 1. When ath12kwmivdevcreate fails, the function returns directly...

EUVD-2026-59513

In the Linux kernel, the following vulnerability has been resolved: wifi: ath12k: fix NULL deref in changestalinks for unready link ieee80211setactivelinks calls ieee80211linkusechannel for each newly-added link and WARNONONCEs if it fails. The call uses assignonfailure=true, which allows mac8021...

CVE-2026-74366 wifi: ath12k: fix NULL deref in change_sta_links for unready link

In the Linux kernel, the following vulnerability has been resolved: wifi: ath12k: fix NULL deref in changestalinks for unready link ieee80211setactivelinks calls ieee80211linkusechannel for each newly-added link and WARNONONCEs if it fails. The call uses assignonfailure=true, which allows mac8021...

CVE-2026-74366

CVE-2026-74366 concerns a NULL dereference in the Linux kernel’s ath12k wifi driver when handling unready links. The issue occurs because a path that validates a MAC channel may not create the vdev, leaving arvif->is_created as false and arvif->ar NULL. Subsequent code paths allocate an ars...

CVE-2026-74340 wifi: wcn36xx: fix OOB read from firmware count in PRINT_REG_INFO indication

In the Linux kernel, the following vulnerability has been resolved: wifi: wcn36xx: fix OOB read from firmware count in PRINTREGINFO indication The firmware-controlled rsp-count field is used as the loop bound for indexing into the flexible rsp-regs array without validation against the message...

CVE-2026-74336 wifi: mac80211: bound S1G TIM PVB walk to the TIM element

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: bound S1G TIM PVB walk to the TIM element ieee80211s1gchecktim parses the S1G Partial Virtual Bitmap PVB of a received TIM element. The TIM is handed in as the element payload: ieee80211parseelemsfull stores...

CVE-2026-74325

CVE-2026-74325 concerns the Linux kernel’s mt76 Wi-Fi driver. The fix replaces a plain kfree() with kfree_rcu() for the offchannel mlink object in mt76_put_vif_phy_link to ensure memory is not freed while still potentially accessed under RCU. The root cause is that rcu_assign_pointer(NULL) only p...

CVE-2026-74326

The CVE-2026-74326 entry describes a resource leak in the Linux kernel WiFi subsystem for the mt76 mt7921 driver. If pcim_iomap_region() or devm_kmemdup() fail during probe, the code returns without cleaning up previously allocated resources, specifically the mt76_device created by mt76_alloc_dev...

CVE-2026-74325 wifi: mt76: use kfree_rcu for offchannel link in mt76_put_vif_phy_link

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: use kfreercu for offchannel link in mt76putvifphylink mt76putvifphylink frees the offchannel mlink with plain kfree after rcuassignpointerNULL. However, rcuassignpointer only prevents future RCU readers from obtaining...

EUVD-2026-59470

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7996: Fix possible token leak in mt7996txprepareskb If linkconf or linksta lookup fails in mt7996txprepareskb routine, mt7996 driver leaks an already allocated tx token. Fix the issue releasing the token in case of...

CVE-2026-74323 wifi: mt76: mt7996: Fix possible token leak in mt7996_tx_prepare_skb()

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7996: Fix possible token leak in mt7996txprepareskb If linkconf or linksta lookup fails in mt7996txprepareskb routine, mt7996 driver leaks an already allocated tx token. Fix the issue releasing the token in case of...