{"cve":"CVE-2023-1838","nvd":{"published":"2023-04-05T19:15:07.793","modified":"2026-10-08T22:17:22.263","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","score":7.1},"cwes":["CWE-416"],"references":["https://lore.kernel.org/netdev/20220516084213.26854-1-jasowang%40redhat.com/T/","https://security.netapp.com/advisory/ntap-20230517-0003/","https://lore.kernel.org/netdev/20220516084213.26854-1-jasowang%40redhat.com/T/","https://security.netapp.com/advisory/ntap-20230517-0003/"],"products":["linux:linux_kernel","netapp:h300s","netapp:h410c","netapp:h410s","netapp:h500s","netapp:h700s"],"source":"nvd","synced_at":"2026-10-19T21:37:48.383111019+00:00"},"epss":{"cve":"CVE-2023-1838","score":0.00251,"percentile":0.16304,"date":"2026-10-25"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}