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before 4.8.13 allows host OS users to cause a denial of service (host OS crash) or possibly gain privileges via crafted ioctl calls on the /dev/kvm device.","status":"published","published":"2016-12-31T00:00:00Z","modified":"2026-02-04T04:29:25.980916Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"},{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:54:11.492576Z"}]}}