{"id":"AZL-26783","summary":"CVE-2023-1859 affecting package kernel for versions less than 5.15.116.1-2","details":"A use-after-free flaw was found in xen_9pfs_front_removet in net/9p/trans_xen.c in Xen transport for 9pfs in the Linux Kernel. This flaw could allow a local attacker to crash the system due to a race problem, possibly leading to a kernel information leak.","modified":"2026-04-21T04:23:50.218804Z","published":"2023-05-17T23:15:09Z","upstream":["CVE-2023-1859"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-1859"}],"affected":[{"package":{"name":"kernel","ecosystem":"Azure Linux:2","purl":"pkg:rpm/azure-linux/kernel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.15.116.1-2"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-26783.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}