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USN-4303-1 Not scored

linux, linux-aws, linux-kvm vulnerability

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.

Exploit probability Not scored
Published March 17, 2020
Required by Not available
Last source change June 3, 2026

02 / AFFECTED SOFTWARE

Affected packages

Ubuntu:16.04:LTS linux

106 explicit affected versions

Ubuntu:16.04:LTS linux-aws

64 explicit affected versions

Ubuntu:16.04:LTS linux-kvm

43 explicit affected versions

03 / CONNECTIONS

Connected vulnerabilities

04 / EVIDENCE

Source records

Open Source Vulnerabilities USN-4303-1

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.

View original source

05 / REFERENCES

Further evidence