EUVD-2026-45686

In the Linux kernel, the following vulnerability has been resolved: netfilter: conntrack: tcp: do not force CLOSE on invalid-seq RST without direction check An unintended behavior in the TCP conntrack state machine allows a connection to be forced into the CLOSE state using an RST packet with an...

CVE-2026-63913 netfilter: conntrack: tcp: do not force CLOSE on invalid-seq RST without direction check

In the Linux kernel, the following vulnerability has been resolved: netfilter: conntrack: tcp: do not force CLOSE on invalid-seq RST without direction check An unintended behavior in the TCP conntrack state machine allows a connection to be forced into the CLOSE state using an RST packet with an...

UBUNTU-CVE-2025-71144

In the Linux kernel, the following vulnerability has been resolved: mptcp: ensure context reset on disconnect After the blamed commit below, if the MPC subflow is already in TCPCLOSE status or has fallback to TCP at mptcpdisconnect time, mptcpdofastclose skips setting the sendfastclose flag and t...

CVE-2025-71144 mptcp: ensure context reset on disconnect()

In the Linux kernel, the following vulnerability has been resolved: mptcp: ensure context reset on disconnect After the blamed commit below, if the MPC subflow is already in TCPCLOSE status or has fallback to TCP at mptcpdisconnect time, mptcpdofastclose skips setting the sendfastclose flag and t...

6Tunnel 0.6/0.7/0.8 Connection Close State Denial of Service Vulnerability

No description provided by source. source: http://www.securityfocus.com/bid/3467/info 6tunnel is a freely available, open source software package designed to provide IPv6 functionality to hosts that do not comply with the standard. It works by creating IPv6 tunnels. A problem has been discovered ...