{"action":"Upgrade xen to 4.1.3-2 or later.","affected":[{"fixed":"4.1.3-2","introduced":"0"}],"component":"xen","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["4.1.3-2"],"id":"tcs_01M5NA3962NNX8KWRY22PDVRBJ","modified_at":"2026-10-23T17:47:45.930726176Z","published_at":"2012-11-23T20:55:03.057Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2012-3494","https://security-tracker.debian.org/tracker/CVE-2012-3494"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2012-3494#Debian:14/xen","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2012-3494"}],"summary":"The set_debugreg hypercall in include/asm-x86/debugreg.h in Xen 4.0, 4.1, and 4.2, and Citrix XenServer 6.0.2 and earlier, when running on x86-64 systems, allows local OS guest users to cause a denial"}