CVE-2026-98432

The Linux kernel contains a use-after-free vulnerability in its IPv4 networking stack. The root cause is that tcp_v4_syn_recv_sock() transfers ownership of ireq->ireq_opt to a child socket without copying it. Due to the removal of listener locks in certain commits, a child socket can be freed ...

CVE-2026-98432

ipv4: free inetopt and ireqopt after an RCU grace period...