{"action":"Upgrade linux to 4.18.6-1 or later.","affected":[{"fixed":"4.18.6-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["4.18.6-1"],"id":"tcs_01M5NF97VKN6HFTMSY9W01DZ8D","modified_at":"2026-10-26T12:02:45.328927332Z","published_at":"2020-04-09T22:15:12.050Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2020-8834","https://security-tracker.debian.org/tracker/CVE-2020-8834"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2020-8834#Debian:13/linux","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2020-8834"}],"summary":"KVM in the Linux kernel on Power8 processors has a conflicting use of HSTATE_HOST_R1 to store r1 state in kvmppc_hv_entry plus in kvmppc_{save,restore}_tm, leading to a stack corruption. Because of th"}