{"id":"AZL-26032","summary":"CVE-2023-1838 affecting package kernel for versions less than 5.15.107.1-2","details":"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.","modified":"2026-04-01T05:08:12.643570Z","published":"2023-04-05T19:15:07Z","upstream":["CVE-2023-1838"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-1838"}],"affected":[{"package":{"name":"kernel","ecosystem":"Azure Linux:2","purl":"pkg:rpm/azure-linux/kernel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.15.107.1-2"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-26032.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H"}]}