CVE-2026-31552

In the Linux kernel, the following vulnerability has been resolved: wifi: wlcore: Return -ENOMEM instead of -EAGAIN if there is not enough headroom Since upstream commit e75665dd0968 "wifi: wlcore: ensure skb headroom before skbpush", wl1271txallocate and with it wl1271preparetxframe returns...

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-2026-31551 wifi: mac80211: Fix static_branch_dec() underflow for aql_disable.

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: Fix staticbranchdec underflow for aqldisable. syzbot reported staticbranchdec underflow in aqlenablewrite. 0 The problem is that aqlenablewrite does not serialise concurrent writes to the debugfs. aqlenablewrite...

CVE-2026-31551 wifi: mac80211: Fix static_branch_dec() underflow for aql_disable.

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: Fix staticbranchdec underflow for aqldisable. syzbot reported staticbranchdec underflow in aqlenablewrite. 0 The problem is that aqlenablewrite does not serialise concurrent writes to the debugfs. aqlenablewrite...

CVE-2026-31551

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: Fix staticbranchdec underflow for aqldisable. syzbot reported staticbranchdec underflow in aqlenablewrite. 0 The problem is that aqlenablewrite does not serialise concurrent writes to the debugfs. aqlenablewrite...

EUVD-2026-25444

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: Fix staticbranchdec underflow for aqldisable. syzbot reported staticbranchdec underflow in aqlenablewrite. 0 The problem is that aqlenablewrite does not serialise concurrent writes to the debugfs. aqlenablewrite...

CVE-2026-31548

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: cancel pmsrfreewk in cfg80211pmsrwdevdown When the nl80211 socket that originated a PMSR request is closed, cfg80211releasepmsr sets the request's nlportid to zero and schedules pmsrfreewk to process the abort...

EUVD-2026-25441

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: cancel pmsrfreewk in cfg80211pmsrwdevdown When the nl80211 socket that originated a PMSR request is closed, cfg80211releasepmsr sets the request's nlportid to zero and schedules pmsrfreewk to process the abort...

CVE-2026-31548 wifi: cfg80211: cancel pmsr_free_wk in cfg80211_pmsr_wdev_down

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: cancel pmsrfreewk in cfg80211pmsrwdevdown When the nl80211 socket that originated a PMSR request is closed, cfg80211releasepmsr sets the request's nlportid to zero and schedules pmsrfreewk to process the abort...

CVE-2026-31548 wifi: cfg80211: cancel pmsr_free_wk in cfg80211_pmsr_wdev_down

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: cancel pmsrfreewk in cfg80211pmsrwdevdown When the nl80211 socket that originated a PMSR request is closed, cfg80211releasepmsr sets the request's nlportid to zero and schedules pmsrfreewk to process the abort...

CVE-2026-31548

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: cancel pmsrfreewk in cfg80211pmsrwdevdown When the nl80211 socket that originated a PMSR request is closed, cfg80211releasepmsr sets the request's nlportid to zero and schedules pmsrfreewk to process the abort...

EUVD-2026-25395

DWM-222W USB Wi-Fi Adapter developed by D-Link has a Brute-Force Protection Bypass vulnerability, allowing unauthenticated adjacent network attackers to bypass login attempt limits to perform brute-force attacks to gain control over the device...

CVE-2026-6947

The CVE-2026-6947 entry concerns the D-Link DWM-222W USB Wi‑Fi Adapter, where a Brute-Force Protection Bypass allows unauthenticated adjacent-network attackers to bypass login attempt limits and perform brute-force actions to gain control of the device. Affected component: login protection mechan...

PT-2026-34900

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the cfg80211 component of the wifi subsystem. When an nl80211 socket originating a PMSR request is closed, the cfg80211 release pmsr function sets the nl portid variab...

PT-2026-34904

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the wifi wlcore component where the wl1271 tx allocate and wl1271 prepare tx frame functions return -EAGAIN when pskb expand head fails due to insufficient headroom. T...

PT-2026-35013

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A DMA memory deallocation size mismatch exists in the Broadcom WiFi driver brcmsmac. The dma alloc consistent function may alter the allocation size to ensure alignment, and this updated...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the wifi rtw88 driver failing to release the USB device reference when detection fails, resulting...

PT-2026-35024

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the rt2x00usb driver where device managed resources are tied to the parent USB device instead of the USB interface. This can lead to memory leaks when drivers are...

Linux Distros Unpatched Vulnerability : CVE-2026-31551

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - wifi: mac80211: Fix staticbranchdec underflow for aqldisable. syzbot reported staticbranchdec underflow in aqlenablewrite. 0 The problem is that aqlenablewrite...

PT-2026-34903

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the mac80211 wifi component where the aql enable write function does not serialize concurrent writes to the debugfs. This can lead to a static branch dec underflow for...