CVE-2018-19966

Description

An issue was discovered in Xen through 4.11.x allowing x86 PV guest OS users to cause a denial of service (host OS crash) or possibly gain host OS privileges because of an interpretation conflict for a union data structure associated with shadow paging. NOTE: this issue exists because of an incorrect fix for CVE-2017-15595.

References

https://xenbits.xen.org/xsa/advisory-280.html

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

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

https://lists.debian.org/debian-lts-announce/2019/10/msg00008.html

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