The vulnerability of the reqsk_fastopen_remove() function in the Linux operating system allows a hacker to trigger a service failure.

The vulnerability of the reqskfastopenremove function in the Linux operating system’s kernel is related to the use of memory after it is freed. Exploiting this vulnerability can allow an attacker to cause a service failure...

SUSE CVE-2025-40186

In the Linux kernel, the following vulnerability has been resolved: tcp: Don't call reqskfastopenremove in tcpconnrequest. syzbot reported the splat below in tcpconnrequest. 0 If a listener is closed while a TFO socket is being processed in tcpconnrequest, inetcskreqskqueueadd does not set reqsk-...

CVE-2025-40186 tcp: Don't call reqsk_fastopen_remove() in tcp_conn_request().

In the Linux kernel, the following vulnerability has been resolved: tcp: Don't call reqskfastopenremove in tcpconnrequest. syzbot reported the splat below in tcpconnrequest. 0 If a listener is closed while a TFO socket is being processed in tcpconnrequest, inetcskreqskqueueadd does not set reqsk-...

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 Linux kernel that originates from an incorrect call to reqskfastopenremove in tcpconnrequest, which could result in a reference count underfl...