Rapid7 Vulnerability & Exploit Database

Ubuntu: (Multiple Advisories) (CVE-2019-3887): Linux kernel (HWE) vulnerabilities

Free InsightVM Trial No Credit Card Necessary
Watch Demo See how it all works
Back to Search

Ubuntu: (Multiple Advisories) (CVE-2019-3887): Linux kernel (HWE) vulnerabilities

Severity
5
CVSS
(AV:L/AC:M/Au:N/C:N/I:N/A:C)
Published
04/09/2019
Created
05/17/2019
Added
05/15/2019
Modified
03/09/2021

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.

Solution(s)

  • ubuntu-upgrade-linux-image-4-18-0-1011-gcp
  • ubuntu-upgrade-linux-image-4-18-0-1012-kvm
  • ubuntu-upgrade-linux-image-4-18-0-1014-raspi2
  • ubuntu-upgrade-linux-image-4-18-0-1016-aws
  • ubuntu-upgrade-linux-image-4-18-0-1018-azure
  • ubuntu-upgrade-linux-image-4-18-0-20-generic
  • ubuntu-upgrade-linux-image-4-18-0-20-generic-lpae
  • ubuntu-upgrade-linux-image-4-18-0-20-lowlatency
  • ubuntu-upgrade-linux-image-4-18-0-20-snapdragon
  • ubuntu-upgrade-linux-image-5-0-0-1006-aws
  • ubuntu-upgrade-linux-image-5-0-0-1006-azure
  • ubuntu-upgrade-linux-image-5-0-0-1006-gcp
  • ubuntu-upgrade-linux-image-5-0-0-1006-kvm
  • ubuntu-upgrade-linux-image-5-0-0-1008-raspi2
  • ubuntu-upgrade-linux-image-5-0-0-15-generic
  • ubuntu-upgrade-linux-image-5-0-0-15-generic-lpae
  • ubuntu-upgrade-linux-image-5-0-0-15-lowlatency
  • ubuntu-upgrade-linux-image-aws
  • ubuntu-upgrade-linux-image-azure
  • ubuntu-upgrade-linux-image-gcp
  • ubuntu-upgrade-linux-image-generic
  • ubuntu-upgrade-linux-image-generic-hwe-18-04
  • ubuntu-upgrade-linux-image-generic-lpae
  • ubuntu-upgrade-linux-image-generic-lpae-hwe-18-04
  • ubuntu-upgrade-linux-image-gke
  • ubuntu-upgrade-linux-image-kvm
  • ubuntu-upgrade-linux-image-lowlatency
  • ubuntu-upgrade-linux-image-lowlatency-hwe-18-04
  • ubuntu-upgrade-linux-image-powerpc-e500mc
  • ubuntu-upgrade-linux-image-powerpc-smp
  • ubuntu-upgrade-linux-image-powerpc64-emb
  • ubuntu-upgrade-linux-image-powerpc64-smp
  • ubuntu-upgrade-linux-image-raspi2
  • ubuntu-upgrade-linux-image-snapdragon
  • ubuntu-upgrade-linux-image-snapdragon-hwe-18-04
  • ubuntu-upgrade-linux-image-virtual
  • ubuntu-upgrade-linux-image-virtual-hwe-18-04

References

  • USN-3932-1
  • USN-3932-2
  • USN-3977-1
  • USN-3977-2
  • USN-3977-3
  • USN-3978-1
  • USN-3979-1
  • USN-3980-1
  • USN-3980-2
  • USN-3981-1
  • USN-3981-2
  • USN-3982-1
  • USN-3982-2
  • USN-3983-1
  • USN-3983-2
  • USN-3984-1
  • USN-3985-1
  • USN-3985-2
  • USN-4076-1
  • USN-4095-1
  • CVE-2019-3887
View more

insightVM

Advanced vulnerability management analytics and reporting.
Key Features
Free InsightVM Trial View All Features

With Rapid7 live dashboards, I have a clear view of all the assets on my network, which ones can be exploited, and what I need to do in order to reduce the risk in my environment in real-time. No other tool gives us that kind of value and insight.

– Scott Cheney, Manager of Information Security, Sierra View Medical Center

;