CVE-2026-74406

In the Linux kernel, the following vulnerability has been resolved: vxlan: Fix potential null-ptr-deref in vxlangropreparereceive. udptunnelsockrelease could set sk-skuserdata to NULL while vxlangropreparereceive is running. Let's check if rcudereferenceskuserdata is NULL after skbgroremcsuminit...

UBUNTU-CVE-2026-72405

In the Linux kernel, the following vulnerability has been resolved: net: udptunnel: prevent double queueing in udptunnelnicdevicesync Yue Sun reported a use-after-free and debugobjects warning in udptunnelnicdevicesyncwork during concurrent device operations. The workqueue core clears the interna...

UBUNTU-CVE-2026-74523

In the Linux kernel, the following vulnerability has been resolved: qede: sync udptunnel ports outside qedelock in the recovery path A TX timeout on a qede NIC that has VXLAN/GENEVE tunnel ports configured wedges the rtnetlink control plane of the whole machine: NETDEV WATCHDOG: ens6f1 qede:...

CVE-2026-74523

In the Linux kernel, the following vulnerability has been resolved: qede: sync udptunnel ports outside qedelock in the recovery path A TX timeout on a qede NIC that has VXLAN/GENEVE tunnel ports configured wedges the rtnetlink control plane of the whole machine: NETDEV WATCHDOG: ens6f1 qede:...

CVE-2026-74543

In the Linux kernel, the following vulnerability has been resolved: net: udptunnel: fix memory leak in udptunnelnicunregister syzbot reported a memory leak 1 in the UDP tunnel NIC offload code. When device registration fails e.g. in registernetdevice, netdev core unwinds by sending a single...

EUVD-2026-59736

In the Linux kernel, the following vulnerability has been resolved: net: udptunnel: fix memory leak in udptunnelnicunregister syzbot reported a memory leak 1 in the UDP tunnel NIC offload code. When device registration fails e.g. in registernetdevice, netdev core unwinds by sending a single...

CVE-2026-74523

Summary: CVE-2026-74523 affects the Linux kernel qede driver with VXLAN/GENEVE tunnels. A TX timeout can cause recovery deadlocks in the driver’s mutex, freezing rtnetlink control for the node. What’s affected: The qede UDP tunnel synchronization flow during recovery paths, where recovery nested ...

CVE-2026-74523 qede: sync udp_tunnel ports outside qede_lock in the recovery path

In the Linux kernel, the following vulnerability has been resolved: qede: sync udptunnel ports outside qedelock in the recovery path A TX timeout on a qede NIC that has VXLAN/GENEVE tunnel ports configured wedges the rtnetlink control plane of the whole machine: NETDEV WATCHDOG: ens6f1 qede:...

EUVD-2026-59553

In the Linux kernel, the following vulnerability has been resolved: vxlan: Fix potential null-ptr-deref in vxlangropreparereceive. udptunnelsockrelease could set sk-skuserdata to NULL while vxlangropreparereceive is running. Let's check if rcudereferenceskuserdata is NULL after skbgroremcsuminit...

CVE-2026-74406 vxlan: Fix potential null-ptr-deref in vxlan_gro_prepare_receive().

In the Linux kernel, the following vulnerability has been resolved: vxlan: Fix potential null-ptr-deref in vxlangropreparereceive. udptunnelsockrelease could set sk-skuserdata to NULL while vxlangropreparereceive is running. Let's check if rcudereferenceskuserdata is NULL after skbgroremcsuminit...

CVE-2026-74406

In the Linux kernel, the following vulnerability has been resolved: vxlan: Fix potential null-ptr-deref in vxlangropreparereceive. udptunnelsockrelease could set sk-skuserdata to NULL while vxlangropreparereceive is running. Let's check if rcudereferenceskuserdata is NULL after skbgroremcsuminit...

CVE-2026-72405

The CVE-2026-72405 issue affects the Linux kernel’s net/udp_tunnel path, specifically udp_tunnel_nic_device_sync_work() and related workqueue handling. A concurrent operation could queue work twice; when the active worker clears the work_pending flag, it could reset it for the newly queued item, ...

PT-2026-72995

In the Linux kernel, the following vulnerability has been resolved: net: udp tunnel: fix memory leak in udp tunnel nic unregister syzbot reported a memory leak 1 in the UDP tunnel NIC offload code. When device registration fails e.g. in register netdevice, netdev core unwinds by sending a single...

PT-2026-72842

In the Linux kernel, the following vulnerability has been resolved: vxlan: Fix potential null-ptr-deref in vxlan gro prepare receive. udp tunnel sock release could set sk-sk user data to NULL while vxlan gro prepare receive is running. Let's check if rcu dereference sk user data is NULL after skb...

Linux Distros Unpatched Vulnerability : CVE-2026-74406

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - vxlan: Fix potential null-ptr-deref in vxlangropreparereceive. udptunnelsockrelease could set sk-skuserdata to NULL while vxlangropreparereceive is running. Let...

PT-2026-72593

In the Linux kernel, the following vulnerability has been resolved: net: udp tunnel: prevent double queueing in udp tunnel nic device sync Yue Sun reported a use-after-free and debugobjects warning in udp tunnel nic device sync work during concurrent device operations. The workqueue core clears t...

CVE-2026-0297 GlobalProtect App: Buffer Overflow Vulnerability during UDP Tunnel Handshake

A buffer overflow vulnerability exists in the Palo Alto Networks GlobalProtect™ app that enables a man-in-the-middle MitM attacker or a rogue gateway to disrupt system processes and potentially execute arbitrary code with elevated privileges SYSTEM privileges on Windows, and root privileges on...

CVE-2026-0297 GlobalProtect App: Buffer Overflow Vulnerability during UDP Tunnel Handshake

A buffer overflow vulnerability exists in the Palo Alto Networks GlobalProtect™ app that enables a man-in-the-middle MitM attacker or a rogue gateway to disrupt system processes and potentially execute arbitrary code with elevated privileges SYSTEM privileges on Windows, and root privileges on...

CVE-2026-0297

CVE-2026-0297 describes a buffer overflow in the Palo Alto Networks GlobalProtect app. The vulnerability could allow a MitM attacker or rogue gateway to disrupt system processes and potentially execute arbitrary code with elevated privileges (SYSTEM on Windows, root on macOS/Linux). Affected comp...

CVE-2026-68161

A flaw was found in the Linux kernel's SCTP Stream Control Transmission Protocol implementation. When a network namespace netns is torn down, the associated SCTP UDP User Datagram Protocol tunnel sockets are not properly closed. This oversight can lead to a resource leak, potentially resulting in...