Back

MEDIUM

xen: x86: DoS from attempting to use INVPCID with a non-canonical addresses

Published Dec 8, 2018

Description

An issue was discovered in Xen through 4.11.x allowing 64-bit PV guest OS users to cause a denial of service (host OS crash) because #GP[0] can occur after a non-canonical address is passed to the TLB flushing code. NOTE: this issue exists because of an incorrect CVE-2017-5754 (aka Meltdown) mitigation.

Affected products

Remediation

No remediation recorded yet.

Metrics

Weaknesses (1)

References (10)

Change history (0)

No recorded changes yet.

Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Dec 8, 2018
Updated Aug 5, 2024
Reserved Dec 7, 2018
NVD
Status Modified
Modified Jun 17, 2026
Red Hat
Severity Important
Public date Nov 20, 2018