CVE-2026-23066

CVE-2026-23066 concerns the Linux kernel RXRPC receive path. The issue arises in rxrpc_recvmsg() where, if MSG_DONTWAIT is requested and the front of the recvmsg queue has its mutex held, the call is unconditionally requeued, potentially corrupting the recvmsg queue and causing Use-After-Frees or...

CVE-2026-23066 rxrpc: Fix recvmsg() unconditional requeue

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix recvmsg unconditional requeue If rxrpcrecvmsg fails because MSGDONTWAIT was specified but the call at the front of the recvmsg queue already has its mutex locked, it requeues the call - whether or not the call is alrea...