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CVE-2020-16166

3.7 · LOW

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.

Published Jul 30, 2020CWE-330EPSS 5.27%

Overview

CVE-2020-16166 is a low-severity vulnerability. It was published on July 30, 2020 and has a CVSS 3.1 base score of 3.7 (LOW).

This vulnerability has a CVSS 3.1 base score of 3.7, rated LOW. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Reflists.opensuse.org/opensuse-security-announce/2020-08/msg00009.htmlReflists.opensuse.org/opensuse-security-announce/2020-08/msg00047.htmlRefarxiv.org/pdf/2012.07432.pdfRefgit.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f227e3ec3b5cad859ad15666874405e8c1bbc1d4Refgit.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c51f8f88d705e06bd696d7510aff22b33eb8e638GitHubgithub.com/torvalds/linux/commit/f227e3ec3b5cad859ad15666874405e8c1bbc1d4Reflists.debian.org/debian-lts-announce/2020/09/msg00025.htmlReflists.debian.org/debian-lts-announce/2020/10/msg00032.htmlReflists.debian.org/debian-lts-announce/2020/10/msg00034.htmlReflists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AAPTLPAEKVAJYJ4LHN7VH4CN2W75R2YW/

How CyberStrike helps

Frequently asked questions

What is CVE-2020-16166?

CVE-2020-16166 is a low-severity vulnerability. It was published on July 30, 2020 and has a CVSS 3.1 base score of 3.7 (LOW).

How severe is CVE-2020-16166?

This vulnerability has a CVSS 3.1 base score of 3.7, rated LOW. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2020-16166?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2020-16166?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2020-16166 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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