CVE-2026-74336

A flaw was found in the Linux kernel's mac80211 Wi-Fi subsystem. An out-of-bounds read vulnerability exists when parsing the S1G Sub-1 GHz TIM Traffic Indication Map Partial Virtual Bitmap PVB element. Due to an incorrect boundary check, the system can read two bytes beyond the allocated memory f...

Linux Distros Unpatched Vulnerability : CVE-2026-74336

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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...

CVE-2026-68470

A flaw was found in the Linux kernel's mac80211 wifi driver. Improper validation of extension-frame layouts before processing received frames could allow a remote attacker to send specially crafted S1G beacon extension frames. This could lead to incorrect memory access when reading network header...

CVE-2026-74336

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...

UBUNTU-CVE-2026-74336

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-2026-74336

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-2026-68470

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-2026-68470

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...

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...

EUVD-2026-59483

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-2026-74336

CVE-2026-74336 concerns the Linux kernel’s wifi/mac80211 code. The vulnerability arises in ieee80211_s1g_check_tim() when parsing the S1G TIM PVB, where the end boundary used for walking encoded blocks was incorrectly computed as tim_len + 2, allowing a read past the TIM element into adjacent dat...

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-2026-68470 wifi: mac80211: validate extension-frame layout before RX

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...

CVE-2026-68470

The CVE-2026-68470 vulnerability affects the Linux kernel’s wifi/mac80211 path. It occurs when validating extension-frame layout before RX, allowing extension subtypes beyond S1G beacons to reach regular-header RX processing and potentially read header addresses. The fix narrows RX routing to han...

PT-2026-72772

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: bound S1G TIM PVB walk to the TIM element ieee80211 s1g check tim parses the S1G Partial Virtual Bitmap PVB of a received TIM element. The TIM is handed in as the element payload: ieee802 11 parse elems full store...

PT-2026-72182

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...

CVE-2026-7762

A heap-based buffer overflow vulnerability in the dot11ah.ko HaLow Wi-Fi kernel driver in Morse Micro HaLowLink 2 software versions prior to 2.11.13 allows an unauthenticated attacker within radio range to cause a Denial of Service kernel panic or potentially achieve Remote Code Execution via a...

CVE-2026-7762 Heap buffer overflow in dot11ah.ko S1G Capabilities IE processing

A heap-based buffer overflow vulnerability in the dot11ah.ko HaLow Wi-Fi kernel driver in Morse Micro HaLowLink 2 software versions prior to 2.11.13 allows an unauthenticated attacker within radio range to cause a Denial of Service kernel panic or potentially achieve Remote Code Execution via a...

CVE-2026-7762

A heap-based buffer overflow vulnerability in the dot11ah.ko HaLow Wi-Fi kernel driver in Morse Micro HaLowLink 2 software versions prior to 2.11.13 allows an unauthenticated attacker within radio range to cause a Denial of Service kernel panic or potentially achieve Remote Code Execution via a...

CVE-2026-7762

CVE-2026-7762 affects Morse Micro HaLowLink 2 prior to 2.11.13, specifically the dot11ah.ko HaLow Wi‑Fi kernel driver. The issue is a heap‑based buffer overflow in the S1G Capabilities Information Element (IE) processing: morse_dot11ah_find_s1g_caps_for_bssid() uses the IE length field directly a...