{"id":"CLEANSTART-2024-SZ31040","summary":"x86: unintended memory sharing between guests On Intel systems that support the \"virtualize APIC accesses\" feature, a guest can read and write the global shared xAPIC page by moving the local APIC ...","details":"Security vulnerability affects the xen package. x86: unintended memory sharing between guests On Intel systems that support the \"virtualize APIC accesses\" feature, a guest can read and write the global shared xAPIC page by moving the local APIC out of xAPIC mode.","modified":"2026-10-31T16:02:37.221411444Z","published":"2026-10-31T14:24:46.570351Z","upstream":["CVE-2022-42327"],"database_specific":{},"references":[{"type":"ADVISORY","url":"https://github.com/cleanstart-dev/cleanstart-security-advisories/tree/main/advisories/2024/CLEANSTART-2024-SZ31040.json"},{"type":"WEB","url":"https://osv.dev/vulnerability/CVE-2022-42327"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-42327"}],"affected":[{"package":{"name":"xen","ecosystem":"CleanStart","purl":"pkg:apk/cleanstart/xen?arch=x86_64"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.16.2-r1"}]}],"database_specific":{"source":"https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2024/CLEANSTART-2024-SZ31040.json"}},{"package":{"name":"xen","ecosystem":"CleanStart","purl":"pkg:apk/cleanstart/xen?arch=armv7"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.16.2-r1"}]}],"database_specific":{"source":"https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2024/CLEANSTART-2024-SZ31040.json"}},{"package":{"name":"xen","ecosystem":"CleanStart","purl":"pkg:apk/cleanstart/xen?arch=aarch64"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.16.2-r1"}]}],"database_specific":{"source":"https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2024/CLEANSTART-2024-SZ31040.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N"}]}