CVE-2018-10853

HighCVSS 7.8/10Last modified Jun 17, 2026

Description

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.

Metrics

CVSS 3.0 7.8/10CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-250 CWE-269

Affected software

No affected versions have been published.

Timeline

Published: Sep 11, 2018
Last modified: Jun 17, 2026
NVD status: Modified

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