CVE-2019-3887
5.6
Vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H
Exploitability: 1.1 / Impact: 4.0
Source: NVD
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.
Affected (19)
Show all products
Linux: Linux Kernel · Fedoraproject: Fedora · Canonical: Ubuntu Linux · Redhat: Enterprise Linux, Enterprise Linux Eus, Enterprise Linux For Real Time, Enterprise Linux For Real Time For Nfv, Enterprise Linux For Real Time For Nfv Tus, Enterprise Linux For Real Time Tus, Enterprise Linux Server Aus, Enterprise Linux Server Tus
Configuration A
| Vulnerable Software | Affected Versions |
|---|---|
| From 4.16 |
Configuration B
| Vulnerable Software | Affected Versions |
|---|---|
| Version 29 |
Configuration C
| Vulnerable Software | Affected Versions |
|---|---|
| Version 18.04 |
Configuration D
| Vulnerable Software | Affected Versions |
|---|---|
| Version 8.0 | |
| Version 8.1 | |
| Version 8 | |
| Version 8 | |
| Version 8.2 | |
| Version 8.2 | |
| Version 8.2 | |
| Version 8.2 |
References (16)
Source: secalert@redhat.com
Issue TrackingPatchThird Party Advisory
Source: secalert@redhat.com
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party AdvisoryVDB Entry
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Issue TrackingPatchThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Timeline
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