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

CVE-2023-52523 is a Linux kernel vulnerability where a BPF sockmap/sk_msg redirect can cause a crash if the egress target is a non-TCP socket. The root cause is a hard-coded assumption that the egress socket is TCP; after enabling redirects to non-TCP sockets, a non-TCP target leads to an invalid...

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 //...