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Vulnerability Details : CVE-2020-16166

The Linux kernel through 5.7.11 allows remote attackers to make observations that help to obtain sensitive information about the internal state of the network RNG, aka CID-f227e3ec3b5c. This is related to drivers/char/random.c and kernel/time/timer.c.
Publish Date : 2020-07-30 Last Update Date : 2021-07-21
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- CVSS Scores & Vulnerability Types

CVSS Score
4.3
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 Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Obtain Information
CWE ID 200

- Related OVAL Definitions

Title Definition Id Class Family
RHSA-2020:5473: kernel security and bug fix update (Moderate) oval:com.redhat.rhsa:def:20205473 unix
RHSA-2020:5506: kernel-rt security and bug fix update (Moderate) oval:com.redhat.rhsa:def:20205506 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-2020-16166

# Product Type Vendor Product Version Update Edition Language
1 OS Canonical Ubuntu Linux 14.04 * * * Version Details Vulnerabilities
2 OS Canonical Ubuntu Linux 16.04 * * * Version Details Vulnerabilities
3 OS Canonical Ubuntu Linux 18.04 * * * Version Details Vulnerabilities
4 OS Canonical Ubuntu Linux 20.04 * * * Version Details Vulnerabilities
5 OS Debian Debian Linux 9.0 * * * Version Details Vulnerabilities
6 OS Fedoraproject Fedora 31 * * * Version Details Vulnerabilities
7 OS Fedoraproject Fedora 32 * * * Version Details Vulnerabilities
8 OS Linux Linux Kernel * * * * Version Details Vulnerabilities
9 Application Netapp Active Iq Unified Manager * * * * Version Details Vulnerabilities
10 Application Netapp Cloud Volumes Ontap Mediator - * * * Version Details Vulnerabilities
11 Application Netapp E-series Santricity Os Controller * * * * Version Details Vulnerabilities
12 Application Netapp Hci Bootstrap Os - * * * Version Details Vulnerabilities
13 Application Netapp Hci Management Node - * * * Version Details Vulnerabilities
14 Application Netapp Solidfire - * * * Version Details Vulnerabilities
15 Application Netapp Steelstore Cloud Integrated Storage - * * * Version Details Vulnerabilities
16 Application Netapp Storagegrid * * * * Version Details Vulnerabilities
17 OS Opensuse Leap 15.1 * * * Version Details Vulnerabilities
18 OS Opensuse Leap 15.2 * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Canonical Ubuntu Linux 4
Debian Debian Linux 1
Fedoraproject Fedora 2
Linux Linux Kernel 1
Netapp Active Iq Unified Manager 1
Netapp Cloud Volumes Ontap Mediator 1
Netapp E-series Santricity Os Controller 1
Netapp Hci Bootstrap Os 1
Netapp Hci Management Node 1
Netapp Solidfire 1
Netapp Steelstore Cloud Integrated Storage 1
Netapp Storagegrid 1
Opensuse Leap 2

- References For CVE-2020-16166

http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00009.html
SUSE openSUSE-SU-2020:1153
https://lists.fedoraproject.org/archives/list/[email protected]/message/MFBCLQWJI5I4G25TVJNLXLAXJ4MERQNW/
FEDORA FEDORA-2020-8d634e31c0
https://security.netapp.com/advisory/ntap-20200814-0004/ CONFIRM
https://lists.fedoraproject.org/archives/list/[email protected]/message/AAPTLPAEKVAJYJ4LHN7VH4CN2W75R2YW/
FEDORA FEDORA-2020-2cd6393548
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00047.html
SUSE openSUSE-SU-2020:1236
https://www.oracle.com/security-alerts/cpuApr2021.html
https://usn.ubuntu.com/4525-1/
UBUNTU USN-4525-1
https://lists.debian.org/debian-lts-announce/2020/09/msg00025.html
MLIST [debian-lts-announce] 20200928 [SECURITY] [DLA 2385-1] linux-4.19 security update
https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html
MLIST [debian-lts-announce] 20201031 [SECURITY] [DLA 2420-2] linux regression update
https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html
MLIST [debian-lts-announce] 20201030 [SECURITY] [DLA 2420-1] linux security update
https://arxiv.org/pdf/2012.07432.pdf
https://usn.ubuntu.com/4526-1/
UBUNTU USN-4526-1
https://github.com/torvalds/linux/commit/f227e3ec3b5cad859ad15666874405e8c1bbc1d4
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f227e3ec3b5cad859ad15666874405e8c1bbc1d4
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c51f8f88d705e06bd696d7510aff22b33eb8e638

- Vulnerability Conditions

Vulnerability is valid if product versions listed below are used 0
Vulnerability is valid if product versions listed below are used 0
Vulnerability is valid if product versions listed below are used 0
Vulnerability is valid if product versions listed below are used 0
Vulnerability is valid if product versions listed below are used 0
Vulnerability is valid if product versions listed below are used 0
Vulnerability is valid if product versions listed below are used 0

- Metasploit Modules Related To CVE-2020-16166

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


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