{"action":"Upgrade xen to 4.8.0~rc3-1 or later.","affected":[{"fixed":"4.8.0~rc3-1","introduced":"0"}],"component":"xen","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["4.8.0~rc3-1"],"id":"tcs_01M5NBANST57PJM5HYC7FA13GV","modified_at":"2026-09-09T06:47:23.864778444Z","published_at":"2015-12-17T19:59:08.683Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2015-8340","https://security-tracker.debian.org/tracker/CVE-2015-8340"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2015-8340","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2015-8340"}],"summary":"The memory_exchange function in common/memory.c in Xen 3.2.x through 4.6.x does not properly release locks, which might allow guest OS administrators to cause a denial of service (deadlock or host cra"}