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Ubuntu: (Multiple Advisories) (CVE-2018-12904): Linux kernel (Azure, GCP, OEM) vulnerabilities

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Ubuntu: (Multiple Advisories) (CVE-2018-12904): Linux kernel (Azure, GCP, OEM) vulnerabilities

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
06/27/2018
Created
03/19/2019
Added
08/31/2018
Modified
08/25/2021

Description

In arch/x86/kvm/vmx.c in the Linux kernel before 4.17.2, when nested virtualization is used, local attackers could cause L1 KVM guests to VMEXIT, potentially allowing privilege escalations and denial of service attacks due to lack of checking of CPL.

Solution(s)

  • ubuntu-upgrade-linux-image-4-15-0-1017-oem
  • ubuntu-upgrade-linux-image-4-15-0-1018-gcp
  • ubuntu-upgrade-linux-image-4-15-0-1020-aws
  • ubuntu-upgrade-linux-image-4-15-0-1020-kvm
  • ubuntu-upgrade-linux-image-4-15-0-1021-raspi2
  • ubuntu-upgrade-linux-image-4-15-0-1022-azure
  • ubuntu-upgrade-linux-image-4-15-0-33-generic
  • ubuntu-upgrade-linux-image-4-15-0-33-generic-lpae
  • ubuntu-upgrade-linux-image-4-15-0-33-lowlatency
  • ubuntu-upgrade-linux-image-4-15-0-33-snapdragon
  • ubuntu-upgrade-linux-image-aws
  • ubuntu-upgrade-linux-image-azure
  • ubuntu-upgrade-linux-image-azure-edge
  • ubuntu-upgrade-linux-image-gcp
  • ubuntu-upgrade-linux-image-generic
  • ubuntu-upgrade-linux-image-generic-hwe-16-04
  • ubuntu-upgrade-linux-image-generic-lpae
  • ubuntu-upgrade-linux-image-generic-lpae-hwe-16-04
  • ubuntu-upgrade-linux-image-gke
  • ubuntu-upgrade-linux-image-kvm
  • ubuntu-upgrade-linux-image-lowlatency
  • ubuntu-upgrade-linux-image-lowlatency-hwe-16-04
  • ubuntu-upgrade-linux-image-oem
  • ubuntu-upgrade-linux-image-raspi2
  • ubuntu-upgrade-linux-image-snapdragon

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