CVE-2026-72253

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfconntracksip: validate skbdst before accessing it tc ingress and openvswitch do not guarantee routing information to be available. These subsystems use the conntrack helper infrastructure, and the SIP helper relies o...

CVE-2026-72253

Summary (CVE-2026-72253) : In the Linux kernel, the netfilter nf_conntrack_sip path is fixed to validate skb_dst() before use. The SIP helper relies on skb_dst() being present when sip_external_media is enabled, but tc ingress and Open vSwitch may not guarantee routing information, so the toggle ...

EUVD-2026-59152

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfconntracksip: validate skbdst before accessing it tc ingress and openvswitch do not guarantee routing information to be available. These subsystems use the conntrack helper infrastructure, and the SIP helper relies o...

PT-2026-72441

In the Linux kernel, the following vulnerability has been resolved: netfilter: nf conntrack sip: validate skb dst before accessing it tc ingress and openvswitch do not guarantee routing information to be available. These subsystems use the conntrack helper infrastructure, and the SIP helper relie...

EUVD-2026-18714

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfconntracksip: fix Content-Length u32 truncation in siphelptcp siphelptcp parses the SIP Content-Length header with simplestrtoul, which returns unsigned long, but stores the result in unsigned int clen. On 64-bit...