kernel: mptcp: fix slab-use-after-free in __inet_lookup_established

A flaw was found in the Linux kernel's Multipath TCP MPTCP implementation. Due to incorrect memory allocation for IPv6 subflow child sockets, a use-after-free vulnerability exists. A remote attacker could exploit this by triggering concurrent lookups in the kernel's hash table, potentially leadin...

ALSA-2026:27288 Important: kernel security, bug fix, and enhancement update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: can: isotp: fix tx.buf use-after-free in isotpsendmsg CVE-2026-31474 kernel: mptcp: fix slab-use-after-free in inetlookupestablished CVE-2026-31669 kernel: rxrpc: Fix RxGK token loading t...