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Vulnerability Details : CVE-2020-2732

A flaw was discovered in the way that the KVM hypervisor handled instruction emulation for an L2 guest when nested virtualisation is enabled. Under some circumstances, an L2 guest may trick the L0 guest into accessing sensitive L1 resources that should be inaccessible to the L2 guest.
Publish Date : 2020-04-08 Last Update Date : 2020-06-10
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- CVSS Scores & Vulnerability Types

CVSS Score
2.3
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact None (There is no impact to the availability of the system.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication ???
Gained Access None
Vulnerability Type(s) Obtain Information
CWE ID 200

- Related OVAL Definitions

Title Definition Id Class Family
RHSA-2020:2102: kernel security and bug fix update (Important) oval:com.redhat.rhsa:def:20202102 unix
RHSA-2020:2171: kernel-rt security and bug fix update (Important) oval:com.redhat.rhsa:def:20202171 unix
RHSA-2020:4060: kernel security, bug fix, and enhancement update (Important) oval:com.redhat.rhsa:def:20204060 unix
RHSA-2020:4062: kernel-rt security and bug fix update (Important) oval:com.redhat.rhsa:def:20204062 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2020-2732

# Product Type Vendor Product Version Update Edition Language
1 OS Redhat Enterprise Linux 7.0 * * * Version Details Vulnerabilities
2 OS Redhat Enterprise Linux 8.0 * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Redhat Enterprise Linux 2

- References For CVE-2020-2732

https://www.spinics.net/lists/kvm/msg208259.html
https://linux.oracle.com/errata/ELSA-2020-5540.html
https://linux.oracle.com/errata/ELSA-2020-5542.html
https://www.openwall.com/lists/oss-security/2020/02/25/3
https://git.kernel.org/linus/35a571346a94fb93b5b3b6a599675ef3384bc75c
https://bugzilla.redhat.com/show_bug.cgi?id=1805135
https://linux.oracle.com/errata/ELSA-2020-5543.html
https://git.kernel.org/linus/07721feee46b4b248402133228235318199b05ec
https://git.kernel.org/linus/e71237d3ff1abf9f3388337cfebf53b96df2020d
https://www.debian.org/security/2020/dsa-4667
DEBIAN DSA-4667
https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html
MLIST [debian-lts-announce] 20200609 [SECURITY] [DLA 2241-1] linux security update
https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html
MLIST [debian-lts-announce] 20200610 [SECURITY] [DLA 2241-2] linux security update
https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html
MLIST [debian-lts-announce] 20200610 [SECURITY] [DLA 2242-1] linux-4.9 security update
https://www.debian.org/security/2020/dsa-4698
DEBIAN DSA-4698

- Metasploit Modules Related To CVE-2020-2732

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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