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ubuntuUbuntuUSN-4303-1
HistoryMar 17, 2020 - 12:00 a.m.

Linux kernel vulnerability

2020-03-1700:00:00
ubuntu.com
81

6.8 Medium

AI Score

Confidence

High

0.0005 Low

EPSS

Percentile

17.5%

Releases

  • Ubuntu 16.04 ESM

Packages

  • linux - Linux kernel
  • linux-aws - Linux kernel for Amazon Web Services (AWS) systems
  • linux-kvm - Linux kernel for cloud environments

Details

Paulo Bonzini discovered that the KVM hypervisor implementation in the
Linux kernel could improperly let a nested (level 2) guest access the
resources of a parent (level 1) guest in certain situations. An attacker
could use this to expose sensitive information.