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Test ID:1.3.6.1.4.1.25623.1.0.844363
Category:Ubuntu Local Security Checks
Title:Ubuntu: Security Advisory (USN-4303-1)
Summary:The remote host is missing an update for the 'linux, linux-aws, linux-kvm' package(s) announced via the USN-4303-1 advisory.
Description:Summary:
The remote host is missing an update for the 'linux, linux-aws, linux-kvm' package(s) announced via the USN-4303-1 advisory.

Vulnerability Insight:
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.

Affected Software/OS:
'linux, linux-aws, linux-kvm' package(s) on Ubuntu 16.04.

Solution:
Please install the updated package(s).

CVSS Score:
2.3

CVSS Vector:
AV:A/AC:M/Au:S/C:P/I:N/A:N

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2020-2732
Debian Security Information: DSA-4667 (Google Search)
https://www.debian.org/security/2020/dsa-4667
Debian Security Information: DSA-4698 (Google Search)
https://www.debian.org/security/2020/dsa-4698
https://bugzilla.redhat.com/show_bug.cgi?id=1805135
https://git.kernel.org/linus/07721feee46b4b248402133228235318199b05ec
https://git.kernel.org/linus/35a571346a94fb93b5b3b6a599675ef3384bc75c
https://git.kernel.org/linus/e71237d3ff1abf9f3388337cfebf53b96df2020d
https://linux.oracle.com/errata/ELSA-2020-5540.html
https://linux.oracle.com/errata/ELSA-2020-5542.html
https://linux.oracle.com/errata/ELSA-2020-5543.html
https://www.openwall.com/lists/oss-security/2020/02/25/3
https://www.spinics.net/lists/kvm/msg208259.html
https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html
https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html
https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html
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