{"id":"CVE-2023-1838","revision":"f0507bc2fdaa4285b7f03cc812fd1ce3","records":[{"revision":"f0507bc2fdaa4285b7f03cc812fd1ce3","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2023-1838","aliases":[],"title":"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 ke…","description":"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.","state":0,"publishedAt":"2023-04-05T00:00:00+00:00","modifiedAt":"2026-10-08T21:13:56.747+00:00","affected":[{"ecosystem":"Vendor product","name":"Kernel","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"n/a\",\n                    \"product\": \"Kernel\",\n                    \"versions\": [\n                        {\n                            \"version\": \"Linux Kernel prior to kernel 5.18 25\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://lore.kernel.org/netdev/20220516084213.26854-1-jasowang%40redhat.com/T/","https://security.netapp.com/advisory/ntap-20230517-0003/"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2023-1838","license":"CVE Program Terms of Use","key":"cve-program:CVE-2023-1838","identifiers":["CVE-2023-1838"]},"retained":false,"historicalAffected":[]}],"coverage":[]}