CVE-2020-16166

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.

Category

3.7
CVSS
Severity: Low
CVSS 3.1 •
CVSS 2.0 •
EPSS 1.85% Top 20%
Vendor Advisory opensuse.org Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory kernel.org Vendor Advisory kernel.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/torvalds/linux/commit/f227e3ec3b5cad859ad15666874405e8c1bbc1d4 third party advisory patch
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f227e3ec3b5cad859ad15666874405e8c1bbc1d4 patch vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00009.html mailing list third party advisory vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MFBCLQWJI5I4G25TVJNLXLAXJ4MERQNW/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AAPTLPAEKVAJYJ4LHN7VH4CN2W75R2YW/ vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00047.html mailing list third party advisory vendor advisory
https://usn.ubuntu.com/4526-1/ third party advisory vendor advisory
https://usn.ubuntu.com/4525-1/ third party advisory vendor advisory
https://lists.debian.org/debian-lts-announce/2020/09/msg00025.html third party advisory mailing list
https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html third party advisory mailing list
https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html third party advisory mailing list
https://www.oracle.com/security-alerts/cpuApr2021.html third party advisory patch
https://security.netapp.com/advisory/ntap-20200814-0004/ third party advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c51f8f88d705e06bd696d7510aff22b33eb8e638 patch vendor advisory
https://arxiv.org/pdf/2012.07432.pdf third party advisory technical description

Frequently Asked Questions

What is the severity of CVE-2020-16166?
CVE-2020-16166 has been scored as a low severity vulnerability.
How to fix CVE-2020-16166?
To fix CVE-2020-16166, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-16166 being actively exploited in the wild?
It is possible that CVE-2020-16166 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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