Vulnerability Details CVE-2018-19965
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 35.0%
CVSS Severity
CVSS v3 Score 5.6
CVSS v2 Score 4.7
Products affected by CVE-2018-19965
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cpe:2.3:a:citrix:xenserver:7.0
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cpe:2.3:a:citrix:xenserver:7.1
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cpe:2.3:a:citrix:xenserver:7.5
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cpe:2.3:a:citrix:xenserver:7.6
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cpe:2.3:o:debian:debian_linux:9.0
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cpe:2.3:o:xen:xen:4.1.6.1
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