BELL-CVE-2026-43029

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UBUNTU-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...

CVE-2026-43029

The CVE-2026-43029 issue affects the Linux kernel MPTCP implementation. When data is received with MSG_PEEK and MSG_WAITALL, skb’s are not removed from the sk_receive_queue, causing sk_wait_data() to incorrectly report data available and potentially trigger a soft lockup. The root cause is the mi...