SUSE CVE-2023-52523

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Reject skmsg egress redirects to non-TCP sockets With a SOCKMAP/SOCKHASH map and an skmsg program user can steer messages sent from one TCP socket s1 to actually egress from another TCP socket s2: tcpbpfsendmsgs1 //...

BELL-CVE-2023-52523

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CVE-2023-52523

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Reject skmsg egress redirects to non-TCP sockets With a SOCKMAP/SOCKHASH map and an skmsg program user can steer messages sent from one TCP socket s1 to actually egress from another TCP socket s2: tcpbpfsendmsgs1 //...

CVE-2023-52523 bpf, sockmap: Reject sk_msg egress redirects to non-TCP sockets

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Reject skmsg egress redirects to non-TCP sockets With a SOCKMAP/SOCKHASH map and an skmsg program user can steer messages sent from one TCP socket s1 to actually egress from another TCP socket s2: tcpbpfsendmsgs1 //...

CVE-2023-52523

CVE-2023-52523 – Linux kernel vulnerability (bpf, sockmap): A BPF sk_msg redirect can target a non-TCP exit socket (via SOCKMAP/SOCKHASH), which previously could downcast to a tcp_sock and crash. The issue arose after enabling redirects to non-TCP sockets, breaking assumptions that the egress soc...