{"action":"Upgrade xen to 4.15.4-r1 or later.","affected":[{"fixed":"4.15.4-r1","introduced":"0"}],"component":"xen","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.15","exploited":false,"fixed_versions":["4.15.4-r1"],"id":"tcs_01M5NEJJGGWNP82KB47AW5XHSF","modified_at":"2026-10-23T17:17:56.718142802Z","published_at":"2023-07-24T20:15:10.237Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2023-20593","https://security.alpinelinux.org/vuln/CVE-2023-20593"],"severity":{"label":"medium","score":5.5},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2023-20593","url":"https://osv.dev/vulnerability/ALPINE-CVE-2023-20593"}],"summary":"An issue in “Zen 2” CPUs, under specific microarchitectural circumstances, may allow an attacker to potentially access sensitive information."}