CVE-2026-43029

A flaw was found in the Linux kernel's Multipath TCP mptcp implementation. When an attacker sends data with MSGPEEK | MSGWAITALL flags, the system can enter a soft lockup state. This occurs because the skreceivequeue is not properly cleared, causing the system to continuously find available data...

CVE-2026-43029

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix soft lockup in mptcprecvmsg syzbot reported a soft lockup in mptcprecvmsg 0. When receiving data with MSGPEEK | MSGWAITALL flags, the skb is not removed from the skreceivequeue. This causes skwaitdata to always find...