A flaw was found in the way Linux kernel KVM hypervisor before 4.18 emulated instructions such as sgdt/sidt/fxsave/fxrstor. It did not check current privilege(CPL) level while emulating unprivileged instructions. An unprivileged guest user/process could use this flaw to potentially escalate privileges inside guest.

nessus 55

cve 1

prion 1

openvas 78

redhatcve 1

ubuntucve 1

veracode 1

debiancve 1

altlinux 1

f5 1

photon 2

mageia 3