Linux Distros Unpatched Vulnerability : CVE-2026-53070

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - sctp: disable BH before calling udptunnelxmitskb udptunnelxmitskb / udptunnel6xmitskb are expected to run with BH disabled. After commit 6f1a9140ecda add xmit...

PT-2026-30153

In the Linux kernel, the following vulnerability has been resolved: ip tunnel: adapt iptunnel xmit stats to NETDEV PCPU STAT DSTATS Blamed commits forgot that vxlan/geneve use udp tunnel6 xmit skb which call iptunnel xmit stats. iptunnel xmit stats was assuming tunnels were only using NETDEV PCPU...

Linux Distros Unpatched Vulnerability : CVE-2021-47036

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - udp: skip L4 aggregation for UDP tunnel packets If NETIFFGROFRAGLIST or NETIFFGROUDPFWD are enabled, and there are UDP tunnels available in the system,...

Linux kernel security vulnerabilities

The Linux kernel is the kernel used by the Linux Foundation's open source operating system Linux. A security vulnerability exists in the Linux kernel that stems from the fact that if NETIFFGROFRAGLIST or NETIFFGROUDPFWD is enabled and there are available UDP tunnels in the system, udpgroreceive m...