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

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published: 2018-09-11T14:00:00

Updated: 2024-08-05T07:46:47.491Z

Reserved: 2018-05-09T00:00:00

Link: CVE-2018-10853

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2018-09-11T14:29:01.630

Modified: 2019-10-03T00:03:26.223

Link: CVE-2018-10853

cve-icon Redhat

Severity : Moderate

Publid Date: 2018-06-05T00:00:00Z

Links: CVE-2018-10853 - Bugzilla