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.
References
History
No history.
MITRE Information
Status: PUBLISHED
Assigner: redhat
Published: 2018-09-11T14:00:00
Updated: 2020-01-21T19:06:24
Reserved: 2018-05-09T00:00:00
Link: CVE-2018-10853
JSON object: View
NVD Information
Status : Modified
Published: 2018-09-11T14:29:01.630
Modified: 2019-10-03T00:03:26.223
Link: CVE-2018-10853
JSON object: View
Redhat Information
No data.