CVE-2025-68291 mptcp: Initialise rcv_mss before calling tcp_send_active_reset() in mptcp_do_fastclose().

In the Linux kernel, the following vulnerability has been resolved: mptcp: Initialise rcvmss before calling tcpsendactivereset in mptcpdofastclose. syzbot reported divide-by-zero in tcpselectwindow by MPTCP socket. 0 We had a similar issue for the bare TCP and fixed in commit 499350a5a6e7 "tcp:...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from mptcpdofastclose not initializing rcvmss, which could lead to a divide-by-zero error...