Linux xen-netfront: backend can crash guest via malformed RX packets

ISSUE DESCRIPTION If a RX packet sent from the networking backend to the Linux xen-netfront driver is split into multiple slots and the first slot is shorter than an Ethernet header, a BUG will crash the guest. This is a backend induced Denial of Service DoS. IMPACT A malicious network backend ca...

PT-2026-108761

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the xen/netfront component where the handle incoming queue function fails to verify if the length of the first RX slot, defined by the pull to variable, is at least as...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-992168)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992168 advisory. In the Linux kernel, the following vulnerability has been resolved: wifi: mwifiex: Fix OOB and integer underflow when rx packets Make sure mwifiexprocessmgmtpacket,...

CVE-2023-53226

The CVE-2023-53226 entry concerns the Linux kernel mwifiex wifi driver. The vulnerability is a possible out-of-bounds access to the skb->data buffer during RX packet processing (OOB and integer underflow) affecting functions: mwifiex_process_mgmt_packet, mwifiex_process_sta_rx_packet, mwifiex_...

CVE-2023-53226: Integer Underflow (Wrap or Wraparound)

In the Linux kernel, the following vulnerability has been resolved: wifi: mwifiex: Fix OOB and integer underflow when rx packets Make sure mwifiexprocessmgmtpacket, mwifiexprocessstarxpacket and mwifiexprocessuaprxpacket, mwifiexuapqueuebridgedpkt and mwifiexprocessrxpacket not out-of-bounds acce...

CVE-2024-36962

In the Linux kernel, the following vulnerability has been resolved: net: ks8851: Queue RX packets in IRQ handler instead of disabling BHs Currently the driver uses localbhdisable/localbhenable in its IRQ handler to avoid triggering netrxaction softirq on exit from netifrx. The netrxaction could...

CVE-2024-36962 net: ks8851: Queue RX packets in IRQ handler instead of disabling BHs

In the Linux kernel, the following vulnerability has been resolved: net: ks8851: Queue RX packets in IRQ handler instead of disabling BHs Currently the driver uses localbhdisable/localbhenable in its IRQ handler to avoid triggering netrxaction softirq on exit from netifrx. The netrxaction could...

CVE-2023-52611

In the Linux kernel, the following vulnerability has been resolved: wifi: rtw88: sdio: Honor the host maxreqsize in the RX path Lukas reports skboverpanic errors on his Banana Pi BPI-CM4 which comes with an Amlogic A311D G12B SoC and a RTL8822CS SDIO wifi/Bluetooth combo card. The error he observ...

CVE-2021-47015 bnxt_en: Fix RX consumer index logic in the error path.

In the Linux kernel, the following vulnerability has been resolved: bnxten: Fix RX consumer index logic in the error path. In bnxtrxpkt, the RX buffers are expected to complete in order. If the RX consumer index indicates an out of order buffer completion, it means we are hitting a hardware bug a...