{"action":"Upgrade linux to 4.5.1-1 or later.","affected":[{"fixed":"4.5.1-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["4.5.1-1"],"id":"tcs_01M5NBJAXPPC51TV5RGGSA032H","modified_at":"2026-09-22T07:01:30.739672279Z","published_at":"2016-04-12T16:59:02.423Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2016-3157","https://security-tracker.debian.org/tracker/CVE-2016-3157"],"severity":{"label":"high","score":7.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2016-3157#Debian:14/linux","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2016-3157"}],"summary":"The __switch_to function in arch/x86/kernel/process_64.c in the Linux kernel does not properly context-switch IOPL on 64-bit PV Xen guests, which allows local guest OS users to gain privileges, cause"}