{"action":"Upgrade linux to 4.18.10-2 or later.","affected":[{"fixed":"4.18.10-2","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["4.18.10-2"],"id":"tcs_01M5ND6FTPEQMV2MPKM0RP0MHH","modified_at":"2026-10-23T18:03:55.631736068Z","published_at":"2018-10-07T06:29:00.273Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2018-18021","https://security-tracker.debian.org/tracker/CVE-2018-18021"],"severity":{"label":"high","score":7.1},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2018-18021#Debian:13/linux","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2018-18021"}],"summary":"arch/arm64/kvm/guest.c in KVM in the Linux kernel before 4.18.12 on the arm64 platform mishandles the KVM_SET_ON_REG ioctl. This is exploitable by attackers who can create virtual machines. An attacke"}