{"id":"AZL-31150","summary":"CVE-2023-39191 affecting package kernel for versions less than 5.15.137.1-1","details":"An improper input validation flaw was found in the eBPF subsystem in the Linux kernel. The issue occurs due to a lack of proper validation of dynamic pointers within user-supplied eBPF programs prior to executing them. This may allow an attacker with CAP_BPF privileges to escalate privileges and execute arbitrary code in the context of the kernel.","modified":"2026-04-01T05:09:58.078409Z","published":"2023-10-04T19:15:10Z","upstream":["CVE-2023-39191"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-39191"}],"affected":[{"package":{"name":"kernel","ecosystem":"Azure Linux:2","purl":"pkg:rpm/azure-linux/kernel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.15.137.1-1"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-31150.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H"}]}