{"action":"Upgrade xen to 4.15.4-r0 or later.","affected":[{"fixed":"4.15.4-r0","introduced":"0"}],"component":"xen","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.15","exploited":false,"fixed_versions":["4.15.4-r0"],"id":"tcs_01M5NE6ZEW9C8HYS2380HZEBAP","modified_at":"2026-10-15T07:17:54.226007603Z","published_at":"2022-07-05T13:15:08.613Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2022-33743","https://security.alpinelinux.org/vuln/CVE-2022-33743"],"severity":{"label":"high","score":7.8},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2022-33743#Alpine:v3.15/xen","url":"https://osv.dev/vulnerability/ALPINE-CVE-2022-33743"}],"summary":"network backend may cause Linux netfront to use freed SKBs While adding logic to support XDP (eXpress Data Path), a code label was moved in a way allowing for SKBs having references (pointers) retaine"}