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.
History

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cve-icon 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

cve-icon 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

cve-icon Redhat Information

No data.