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Oracle Linux: (CVE-2017-2596) ELSA-2017-3533: Unbreakable Enterprise kernel security update

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Oracle Linux: (CVE-2017-2596) ELSA-2017-3533: Unbreakable Enterprise kernel security update

Severity
5
CVSS
(AV:L/AC:L/Au:N/C:N/I:N/A:C)
Published
02/06/2017
Created
07/25/2018
Added
04/04/2017
Modified
03/02/2020

Description

The nested_vmx_check_vmptr function in arch/x86/kvm/vmx.c in the Linux kernel through 4.9.8 improperly emulates the VMXON instruction, which allows KVM L1 guest OS users to cause a denial of service (host OS memory consumption) by leveraging the mishandling of page references.

Solution(s)

  • oracle-linux-upgrade-dtrace-modules
  • oracle-linux-upgrade-kernel-uek
  • oracle-linux-upgrade-kernel-uek-debug
  • oracle-linux-upgrade-kernel-uek-debug-devel
  • oracle-linux-upgrade-kernel-uek-devel
  • oracle-linux-upgrade-kernel-uek-doc
  • oracle-linux-upgrade-kernel-uek-firmware

References

  • ELSA-2017-3533
  • DSA-3791
  • CVE-2017-2596
  • USN-3293-1
  • USN-3312-1
  • USN-3312-2
  • USN-3361-1
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