{"action":"Upgrade xen to 4.15.3-r2 or later.","affected":[{"fixed":"4.15.3-r2","introduced":"0"}],"component":"xen","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.14","exploited":false,"fixed_versions":["4.15.3-r2"],"id":"tcs_01M5NE70RTD0DC023R0ME4QT39","modified_at":"2026-10-15T07:17:54.227031769Z","published_at":"2022-07-26T13:15:10.003Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2022-33745","https://security.alpinelinux.org/vuln/CVE-2022-33745"],"severity":{"label":"high","score":8.8},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2022-33745#Alpine:v3.14/xen","url":"https://osv.dev/vulnerability/ALPINE-CVE-2022-33745"}],"summary":"insufficient TLB flush for x86 PV guests in shadow mode For migration as well as to work around kernels unaware of L1TF (see XSA-273), PV guests may be run in shadow paging mode. To address XSA-401, c"}