Linux kcm_attach() Heap Buffer Overflow

The vulnerability of the kcmattach function in the net/kcm/kcmsock.c component of the Linux operating system’s kernel is related to the improper implementation of the control flow. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and accessibilit...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: kcm: Use WRITEONCE when changing lower-level socket callbacks. The kcmattach function replaces the skdataready and skwritespace callbacks of a live lower-level TCP socket with KCM handlers. The kcmunattach function restores...

CVE-2026-74262: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: kcm: use WRITEONCE when changing lower socket callbacks kcmattach replaces a live lower TCP socket's skdataready and skwritespace callbacks with KCM handlers, and kcmunattach restores them later. Those callback-pointer updates ar...

Linux kernel kcm_attach() Heap Buffer Overflow DoS

The vulnerability of the kcmattach function in the net/kcm/kcmsock.c module, which implements networking functions for the Linux operating system’s kernel, is related to improper initialization. Exploiting this vulnerability could allow a remote attacker to compromise the confidentiality,...