{"action":"Upgrade linux to 4.19.20-1 or later.","affected":[{"fixed":"4.19.20-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["4.19.20-1"],"id":"tcs_01M5NE9GNB196GD3FGK321XQ7F","modified_at":"2026-09-21T07:02:50.700202668Z","published_at":"2019-02-15T15:29:00.250Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2019-6974","https://security-tracker.debian.org/tracker/CVE-2019-6974"],"severity":{"label":"high","score":8.1},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2019-6974#Debian:14/linux","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2019-6974"}],"summary":"In the Linux kernel before 4.20.8, kvm_ioctl_create_device in virt/kvm/kvm_main.c mishandles reference counting because of a race condition, leading to a use-after-free."}