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CVE ID:CVE-2019-3887
Description:A flaw was found in the way KVM hypervisor handled x2APIC Machine Specific Rregister (MSR) access with nested(=1) virtualization enabled. In that, L1 guest could access L0's APIC register values via L2 guest, when 'virtualize x2APIC mode' is enabled. A guest could use this flaw to potentially crash the host kernel resulting in DoS issue. Kernel versions from 4.16 and newer are vulnerable to this issue.
Test IDs: 1.3.6.1.4.1.25623.1.0.876161   1.3.6.1.4.1.25623.1.0.875565   1.3.6.1.4.1.25623.1.0.875562   1.3.6.1.4.1.25623.1.0.876070  
Cross References: Common Vulnerability Exposure (CVE) ID: CVE-2019-3887
BugTraq ID: 107850
http://www.securityfocus.com/bid/107850
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IWPOIII2L73HV5PGXSGMRMKQIK47UIYE/
RedHat Security Advisories: RHSA-2019:2703
https://access.redhat.com/errata/RHSA-2019:2703
RedHat Security Advisories: RHSA-2019:2741
https://access.redhat.com/errata/RHSA-2019:2741
https://usn.ubuntu.com/3979-1/
https://usn.ubuntu.com/3980-1/
https://usn.ubuntu.com/3980-2/




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