A use-after-free flaw was found in vhost_net_set_backend in drivers/vhost/net.c in virtio network subcomponent in the Linux kernel due to a double fget. This flaw could allow a local attacker to crash the system, and could even lead to a kernel information leak problem. CREATE(Triage):(User=admin) CVE-2023-1838 (https://nvd.nist.gov/vuln/detail/CVE-2023-1838)