{"action":"Upgrade xen to 4.14.1-r3 or later.","affected":[{"fixed":"4.14.1-r3","introduced":"4.9.0"}],"component":"xen","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.23","exploited":false,"fixed_versions":["4.14.1-r3"],"id":"tcs_01M5ND206PMBFCGV5BD0VBHA23","modified_at":"2026-10-23T17:17:56.164145571Z","published_at":"2021-02-17T02:15:13.097Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2021-26933","https://security.alpinelinux.org/vuln/CVE-2021-26933"],"severity":{"label":"medium","score":5.5},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2021-26933#Alpine:v3.23/xen","url":"https://osv.dev/vulnerability/ALPINE-CVE-2021-26933"}],"summary":"An issue was discovered in Xen 4.9 through 4.14.x. On Arm, a guest is allowed to control whether memory accesses are bypassing the cache. This means that Xen needs to ensure that all writes (such as t"}