Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: xfrm: natkeepalive: avoid double-free on send error The natkeepalivesend function frees the keepalive packet whenever the IPv4 or IPv6 send helper reports an error. This cleanup is only necessary before the packet is passed to th...

SUSE CVE-2026-72137

In the Linux kernel, the following vulnerability has been resolved: xfrm: natkeepalive: avoid double free on send error natkeepalivesend frees the keepalive skb whenever the IPv4 or IPv6 send helper reports an error. That cleanup is only correct before the skb is handed to the output path. Once...

CVE-2026-72137

A flaw was found in the xfrm subsystem of the Linux kernel, specifically within the natkeepalive component. This vulnerability occurs when the natkeepalivesend function attempts to free a network packet buffer skb that may have already been freed by the networking stack. This double free can lead...

Linux Distros Unpatched Vulnerability : CVE-2026-72137

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: xfrm: natkeepalive: avoid double free on send error natkeepalivesend frees the keepalive skb...

CVE-2026-72137

In the Linux kernel, the following vulnerability has been resolved: xfrm: natkeepalive: avoid double free on send error natkeepalivesend frees the keepalive skb whenever the IPv4 or IPv6 send helper reports an error. That cleanup is only correct before the skb is handed to the output path. Once...

UBUNTU-CVE-2026-72137

In the Linux kernel, the following vulnerability has been resolved: xfrm: natkeepalive: avoid double free on send error natkeepalivesend frees the keepalive skb whenever the IPv4 or IPv6 send helper reports an error. That cleanup is only correct before the skb is handed to the output path. Once...

CVE-2026-72137

In the Linux kernel, the following vulnerability has been resolved: xfrm: natkeepalive: avoid double free on send error natkeepalivesend frees the keepalive skb whenever the IPv4 or IPv6 send helper reports an error. That cleanup is only correct before the skb is handed to the output path. Once...

CVE-2026-72137 xfrm: nat_keepalive: avoid double free on send error

In the Linux kernel, the following vulnerability has been resolved: xfrm: natkeepalive: avoid double free on send error natkeepalivesend frees the keepalive skb whenever the IPv4 or IPv6 send helper reports an error. That cleanup is only correct before the skb is handed to the output path. Once...

CVE-2026-72137 xfrm: nat_keepalive: avoid double free on send error

In the Linux kernel, the following vulnerability has been resolved: xfrm: natkeepalive: avoid double free on send error natkeepalivesend frees the keepalive skb whenever the IPv4 or IPv6 send helper reports an error. That cleanup is only correct before the skb is handed to the output path. Once...

EUVD-2026-58895

In the Linux kernel, the following vulnerability has been resolved: xfrm: natkeepalive: avoid double free on send error natkeepalivesend frees the keepalive skb whenever the IPv4 or IPv6 send helper reports an error. That cleanup is only correct before the skb is handed to the output path. Once...

CVE-2026-72137

CVE-2026-72137 : In the Linux kernel, the xfrm nat_keepalive path suffers a double-free of the keepalive skb on send errors. Specifically, nat_keepalive_send() frees the skb when IPv4/IPv6 send helpers report an error, but after ip_build_and_send_pkt() or ip6_xmit() takes ownership the cleanup is...

CVE-2026-72137: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: xfrm: natkeepalive: avoid double free on send error natkeepalivesend frees the keepalive skb whenever the IPv4 or IPv6 send helper reports an error. That cleanup is only correct before the skb is handed to the output path. Once...