{"action":"Upgrade xen to 4.11.0-r0 or later.","affected":[{"fixed":"4.11.0-r0","introduced":"0"}],"component":"xen","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.13","exploited":false,"fixed_versions":["4.11.0-r0"],"id":"tcs_01M5NA78564SS2P2EWQ5XTP2FB","modified_at":"2026-10-23T17:17:55.210200591Z","published_at":"2018-07-02T17:29:00.473Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2018-12891","https://security.alpinelinux.org/vuln/CVE-2018-12891"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2018-12891#Alpine:v3.13/xen","url":"https://osv.dev/vulnerability/ALPINE-CVE-2018-12891"}],"summary":"An issue was discovered in Xen through 4.10.x. Certain PV MMU operations may take a long time to process. For that reason Xen explicitly checks for the need to preempt the current vCPU at certain poin"}