medium
4.3
CWE
330 200
Advisory Published
CVE Published
Updated

CVE-2020-16166: Infoleak

First published: Wed Jul 29 2020(Updated: )

A flaw was found in the Linux kernel. The generation of the device ID from the network RNG internal state is predictable. The highest threat from this vulnerability is to data confidentiality.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
redhat/kernel-alt<0:4.14.0-115.32.1.el7a
0:4.14.0-115.32.1.el7a
redhat/kernel-rt<0:4.18.0-240.8.1.rt7.62.el8_3
0:4.18.0-240.8.1.rt7.62.el8_3
redhat/kernel<0:4.18.0-240.8.1.el8_3
0:4.18.0-240.8.1.el8_3
redhat/kernel<0:4.18.0-147.38.1.el8_1
0:4.18.0-147.38.1.el8_1
redhat/kernel-rt<0:4.18.0-193.37.1.rt13.87.el8_2
0:4.18.0-193.37.1.rt13.87.el8_2
redhat/kernel<0:4.18.0-193.37.1.el8_2
0:4.18.0-193.37.1.el8_2
Linux Kernel<=5.7.11
openSUSE=15.1
openSUSE=15.2
Fedoraproject Fedora=31
Fedoraproject Fedora=32
Debian GNU/Linux=9.0
Ubuntu Linux=14.04
Ubuntu Linux=16.04
Ubuntu Linux=18.04
Ubuntu Linux=20.04
NetApp Active IQ Unified Manager for VMware vSphere>=9.5
netapp cloud volumes ontap mediator
NetApp E-Series SANtricity OS Controller>=11.0.0<=11.60.3
netapp hci bootstrap os
netapp hci management node
netapp solidfire
NetApp SteelStore
netapp storagegrid<=9.0.4
All of
netapp h410c firmware
netapp h410c
Oracle SD-WAN Edge=8.2
debian/linux
5.10.223-1
5.10.226-1
6.1.123-1
6.1.128-1
6.12.12-1
6.12.15-1
Fedora=31
Fedora=32
Debian=9.0
Ubuntu=14.04
Ubuntu=16.04
Ubuntu=18.04
Ubuntu=20.04
netapp h410c firmware
netapp h410c

Remedy

Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

Remedy

https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f227e3ec3b5cad859ad15666874405e8c1bbc1d4

Remedy

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c51f8f88d705e06bd696d7510aff22b33eb8e638

Remedy

https://github.com/torvalds/linux/commit/f227e3ec3b5cad859ad15666874405e8c1bbc1d4

Remedy

https://www.oracle.com/security-alerts/cpuApr2021.html

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is the severity of CVE-2020-16166?

    CVE-2020-16166 is classified as having a high severity level due to its potential impact on data confidentiality.

  • Which systems are affected by CVE-2020-16166?

    CVE-2020-16166 affects multiple versions of the Linux kernel and various distributions including Red Hat, OpenSUSE, Fedora, and Debian.

  • How do I fix CVE-2020-16166?

    To mitigate CVE-2020-16166, update to the latest patched versions of the affected Linux kernel packages as specified by your distribution.

  • How does CVE-2020-16166 impact data confidentiality?

    CVE-2020-16166 can lead to predictable device IDs from the network RNG, posing a risk to data confidentiality.

  • What are the specific kernel versions that address CVE-2020-16166?

    The fixed versions for the Linux kernel addressing CVE-2020-16166 include 4.14.0-115.32.1.el7a, 4.18.0-240.8.1.el8_3, among others, depending on the distribution.

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