{"action":"Upgrade xen to 4.12.0-r2 or later.","affected":[{"fixed":"4.12.0-r2","introduced":"0"}],"component":"xen","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.22","exploited":false,"fixed_versions":["4.12.0-r2"],"id":"tcs_01M5NA61YFREQBDRET7PR7NYRS","modified_at":"2026-10-23T17:17:55.208116423Z","published_at":"2019-05-30T16:29:00.870Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2018-12126","https://security.alpinelinux.org/vuln/CVE-2018-12126"],"severity":{"label":"medium","score":5.6},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2018-12126#Alpine:v3.22/xen","url":"https://osv.dev/vulnerability/ALPINE-CVE-2018-12126"}],"summary":"Microarchitectural Store Buffer Data Sampling (MSBDS): Store buffers on some microprocessors utilizing speculative execution may allow an authenticated user to potentially enable information disclosur"}