kernel: tcp_bpf: fix return value of tcp_bpf_sendmsg()

A flaw was found in the Linux kernel's tcpbpf component. A local attacker with low privileges could exploit a vulnerability in the tcpbpfsendmsg function. This flaw occurs when messages are handled in a specific way, leading to an unexpected negative return value. Successful exploitation can caus...

DEBIAN-CVE-2024-46783

In the Linux kernel, the following vulnerability has been resolved: tcpbpf: fix return value of tcpbpfsendmsg When we cork messages in psock-cork, the last message triggers the flushing will result in sending a skmsg larger than the current message size. In this case, in tcpbpfsendverdict, 'copie...