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CVE-2019-3887
CVE ID
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CVE-2019-3887
MITRE ATT&CK
Collection
Command and Control
Credential Access
Defense Evasion
Discovery
Execution
Exfiltration
Impact
Initial Access
Lateral Movement
Persistence
Privilege Escalation
Topic Tags
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.
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CVSS V3 Severity and Metrics
General Information
Vendors
- canonical,
- fedoraproject,
- linux,
- redhat
Products
- enterprise linux 8.0,
- enterprise linux eus 8.1,
- enterprise linux eus 8.2,
- enterprise linux eus 8.4,
- enterprise linux for real time 8,
- enterprise linux for real time for nfv 8,
- enterprise linux for real time for nfv tus 8.2,
- enterprise linux for real time for nfv tus 8.4,
- enterprise linux for real time tus 8.2,
- enterprise linux for real time tus 8.4,
- enterprise linux server aus 8.2,
- enterprise linux server aus 8.4,
- enterprise linux server tus 8.2,
- enterprise linux server tus 8.4,
- fedora 29,
- linux kernel,
- ubuntu linux 18.04,
- ubuntu linux 18.10,
- ubuntu linux 19.04
References
Advisory
Additional Info
Technical Analysis
Report as Emergent Threat Response
Report as Exploited in the Wild
CVE ID
AttackerKB requires a CVE ID in order to pull vulnerability data and references from the CVE list and the National Vulnerability Database. If available, please supply below: