CVE-2018-19965

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.

References

https://xenbits.xen.org/xsa/advisory-279.html

https://www.debian.org/security/2019/dsa-4369

https://support.citrix.com/article/CTX239432

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UXC6BME7SXJI2ZIATNXCAH7RGPI4UKTT/

http://www.securityfocus.com/bid/106182

http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00072.html

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3