{"id":"CVE-2023-1838","state":"PUBLISHED","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 loc","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.","publishedAt":"2023-04-05T00:00:00.000Z","updatedAt":"2026-10-08T21:13:56.747Z","severity":null,"assigner":"redhat","products":["n/a Kernel"],"affected":[{"vendor":"n/a","product":"Kernel","versions":[{"version":"Linux Kernel prior to kernel 5.18 25","status":"affected"}]}],"references":["https://lore.kernel.org/netdev/20220516084213.26854-1-jasowang%40redhat.com/T/","https://security.netapp.com/advisory/ntap-20230517-0003/"],"weaknesses":["CWE-416"],"ingestedAt":"2026-10-29T20:05:36.141Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/1xxx/CVE-2023-1838.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-1838","state":"PUBLISHED","datePublished":"2023-04-05T00:00:00.000Z","dateUpdated":"2026-10-08T21:13:56.747Z","assignerShortName":"redhat","assignerOrgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","dateReserved":"2023-04-04T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"n/a","product":"Kernel","versions":[{"version":"Linux Kernel prior to kernel 5.18 25","status":"affected"}]}],"references":[{"url":"https://lore.kernel.org/netdev/20220516084213.26854-1-jasowang%40redhat.com/T/"},{"url":"https://security.netapp.com/advisory/ntap-20230517-0003/"}],"problemTypes":[{"descriptions":[{"cweId":"CWE-416","type":"CWE","lang":"en","description":"CWE-416"}]}],"providerMetadata":{"shortName":"redhat","orgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","dateUpdated":"2023-05-17T00:00:00.000Z"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://lore.kernel.org/netdev/20220516084213.26854-1-jasowang%40redhat.com/T/","tags":["x_transferred"]},{"url":"https://security.netapp.com/advisory/ntap-20230517-0003/","tags":["x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-02T06:05:26.723Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2023-1838","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2026-10-08T21:09:05.974773Z"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-08T21:13:56.747Z"}}]}}}