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CVE-2018-19966

CVE-2018-19966

EPSS 0.4%
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.
Affected products
n/a · n/a

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References
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00072.htmlhttps://lists.debian.org/debian-lts-announce/2019/10/msg00008.htmlhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UXC6BME7SXJI2ZIATNXCAH7RGPI4UKTT/https://www.debian.org/security/2019/dsa-4369https://xenbits.xen.org/xsa/advisory-280.htmlhttp://www.securityfocus.com/bid/106182