Is CVE-2020-16166 in the CISA KEV catalog?

No. CVE-2020-16166 is not currently on the CISA Known Exploited Vulnerabilities list.

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

CVE-2020-16166 has a CVSS v3 base score of 3.7 (LOW).

What is the EPSS score for CVE-2020-16166?

CVE-2020-16166 has an EPSS score of 5.23% (91th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-16166?

Upgrade linux on debian 11 to 5.7.17-1 or later. Fixes are available for 75 affected products.

CVE & CISA-KEV Catalog

CVE-2020-16166

LOWEPSS 91th pctl

3.7

CVSS v3

NVD

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.

CWE-330

How to fix

Remediation Available

linuxDebian

Fixed in:5.7.17-1CVE-2020-16166

linuxUbuntu

Fixed in:4.15.0-118.119USN-4526-1

Fixed in:5.4.0-48.52USN-4525-1

linux-awsUbuntu

Fixed in:4.15.0-1083.87USN-4526-1

Fixed in:5.4.0-1025.25USN-4525-1

linux-aws-5.4Ubuntu

Fixed in:5.4.0-1025.25~18.04.1USN-4525-1

linux-aws-hweUbuntu

Fixed in:4.15.0-1083.87~16.04.1USN-4526-1

linux-azureUbuntu

Fixed in:4.15.0-1096.106~14.04.1USN-4526-1

Fixed in:4.15.0-1096.106~16.04.1USN-4526-1

Fixed in:5.4.0-1026.26USN-4525-1

linux-azure-4.15Ubuntu

Fixed in:4.15.0-1096.106USN-4526-1

linux-azure-5.4Ubuntu

Fixed in:5.4.0-1026.26~18.04.1USN-4525-1

linux-gcpUbuntu

Fixed in:4.15.0-1084.95~16.04.1USN-4526-1

Fixed in:5.4.0-1025.25USN-4525-1

linux-gcp-4.15Ubuntu

Fixed in:4.15.0-1084.95USN-4526-1

linux-gcp-5.4Ubuntu

Fixed in:5.4.0-1025.25~18.04.1USN-4525-1

linux-gke-4.15Ubuntu

Fixed in:4.15.0-1070.73USN-4526-1

linux-hweUbuntu

Fixed in:4.15.0-118.119~16.04.1USN-4526-1

linux-hwe-5.4Ubuntu

Fixed in:5.4.0-48.52~18.04.1USN-4525-1

linux-image-4.15.0-1054-oracleUbuntu

Fixed in:4.15.0-1054.58~16.04.1USN-4526-1

Fixed in:4.15.0-1054.58USN-4526-1

linux-image-4.15.0-1070-gkeUbuntu

Fixed in:4.15.0-1070.73USN-4526-1

linux-image-4.15.0-1071-raspi2Ubuntu

Fixed in:4.15.0-1071.75USN-4526-1

linux-image-4.15.0-1075-kvmUbuntu

Fixed in:4.15.0-1075.76USN-4526-1

linux-image-4.15.0-1083-awsUbuntu

Fixed in:4.15.0-1083.87~16.04.1USN-4526-1

Fixed in:4.15.0-1083.87USN-4526-1

linux-image-4.15.0-1084-gcpUbuntu

Fixed in:4.15.0-1084.95~16.04.1USN-4526-1

Fixed in:4.15.0-1084.95USN-4526-1

linux-image-4.15.0-1087-snapdragonUbuntu

Fixed in:4.15.0-1087.95USN-4526-1

linux-image-4.15.0-1096-azureUbuntu

Fixed in:4.15.0-1096.106~14.04.1USN-4526-1

Fixed in:4.15.0-1096.106~16.04.1USN-4526-1

Fixed in:4.15.0-1096.106USN-4526-1

linux-image-4.15.0-1097-oemUbuntu

Fixed in:4.15.0-1097.107USN-4526-1

linux-image-4.15.0-118-genericUbuntu

Fixed in:4.15.0-118.119~16.04.1USN-4526-1

Fixed in:4.15.0-118.119USN-4526-1

linux-image-4.15.0-118-generic-lpaeUbuntu

Fixed in:4.15.0-118.119~16.04.1USN-4526-1

Fixed in:4.15.0-118.119USN-4526-1

linux-image-4.15.0-118-lowlatencyUbuntu

Fixed in:4.15.0-118.119~16.04.1USN-4526-1

Fixed in:4.15.0-118.119USN-4526-1

linux-image-5.4.0-1019-raspiUbuntu

Fixed in:5.4.0-1019.21~18.04.1USN-4525-1

Fixed in:5.4.0-1019.21USN-4525-1

linux-image-5.4.0-1024-kvmUbuntu

Fixed in:5.4.0-1024.24USN-4525-1

linux-image-5.4.0-1025-awsUbuntu

Fixed in:5.4.0-1025.25~18.04.1USN-4525-1

Fixed in:5.4.0-1025.25USN-4525-1

linux-image-5.4.0-1025-gcpUbuntu

Fixed in:5.4.0-1025.25~18.04.1USN-4525-1

Fixed in:5.4.0-1025.25USN-4525-1

linux-image-5.4.0-1025-oracleUbuntu

Fixed in:5.4.0-1025.25~18.04.1USN-4525-1

Fixed in:5.4.0-1025.25USN-4525-1

linux-image-5.4.0-1026-azureUbuntu

Fixed in:5.4.0-1026.26~18.04.1USN-4525-1

Fixed in:5.4.0-1026.26USN-4525-1

linux-image-5.4.0-48-genericUbuntu

Fixed in:5.4.0-48.52~18.04.1USN-4525-1

Fixed in:5.4.0-48.52USN-4525-1

linux-image-5.4.0-48-generic-lpaeUbuntu

Fixed in:5.4.0-48.52~18.04.1USN-4525-1

Fixed in:5.4.0-48.52USN-4525-1

linux-image-5.4.0-48-lowlatencyUbuntu

Fixed in:5.4.0-48.52~18.04.1USN-4525-1

Fixed in:5.4.0-48.52USN-4525-1

linux-image-awsUbuntu

Fixed in:5.4.0.1025.10USN-4525-1

Fixed in:5.4.0.1025.26USN-4525-1

linux-image-aws-hweUbuntu

Fixed in:4.15.0.1083.79USN-4526-1

linux-image-aws-lts-18.04Ubuntu

Fixed in:4.15.0.1083.85USN-4526-1

linux-image-azureUbuntu

Fixed in:4.15.0.1096.72USN-4526-1

Fixed in:4.15.0.1096.90USN-4526-1

Fixed in:5.4.0.1026.9USN-4525-1

Fixed in:5.4.0.1026.25USN-4525-1

linux-image-azure-edgeUbuntu

Fixed in:4.15.0.1096.90USN-4526-1

linux-image-azure-lts-18.04Ubuntu

Fixed in:4.15.0.1096.69USN-4526-1

linux-image-gcpUbuntu

Fixed in:4.15.0.1084.85USN-4526-1

Fixed in:5.4.0.1025.13USN-4525-1

Fixed in:5.4.0.1025.22USN-4525-1

linux-image-gcp-lts-18.04Ubuntu

Fixed in:4.15.0.1084.102USN-4526-1

linux-image-genericUbuntu

Fixed in:4.15.0.118.105USN-4526-1

Fixed in:5.4.0.48.51USN-4525-1

linux-image-generic-hwe-16.04Ubuntu

Fixed in:4.15.0.118.119USN-4526-1

linux-image-generic-hwe-18.04Ubuntu

Fixed in:5.4.0.48.52~18.04.42USN-4525-1

linux-image-generic-lpaeUbuntu

Fixed in:4.15.0.118.105USN-4526-1

Fixed in:5.4.0.48.51USN-4525-1

linux-image-generic-lpae-hwe-16.04Ubuntu

Fixed in:4.15.0.118.119USN-4526-1

linux-image-generic-lpae-hwe-18.04Ubuntu

Fixed in:5.4.0.48.52~18.04.42USN-4525-1

linux-image-gkeUbuntu

Fixed in:4.15.0.1084.85USN-4526-1

Fixed in:4.15.0.1070.74USN-4526-1

Fixed in:5.4.0.1025.22USN-4525-1

linux-image-gke-4.15Ubuntu

Fixed in:4.15.0.1070.74USN-4526-1

linux-image-kvmUbuntu

Fixed in:4.15.0.1075.71USN-4526-1

Fixed in:5.4.0.1024.22USN-4525-1

linux-image-lowlatencyUbuntu

Fixed in:4.15.0.118.105USN-4526-1

Fixed in:5.4.0.48.51USN-4525-1

linux-image-lowlatency-hwe-16.04Ubuntu

Fixed in:4.15.0.118.119USN-4526-1

linux-image-lowlatency-hwe-18.04Ubuntu

Fixed in:5.4.0.48.52~18.04.42USN-4525-1

linux-image-oemUbuntu

Fixed in:4.15.0.118.119USN-4526-1

Fixed in:4.15.0.1097.101USN-4526-1

Fixed in:5.4.0.48.51USN-4525-1

linux-image-oem-osp1Ubuntu

Fixed in:5.4.0.48.51USN-4525-1

linux-image-oracleUbuntu

Fixed in:4.15.0.1054.44USN-4526-1

Fixed in:5.4.0.1025.9USN-4525-1

Fixed in:5.4.0.1025.22USN-4525-1

linux-image-oracle-lts-18.04Ubuntu

Fixed in:4.15.0.1054.64USN-4526-1

linux-image-raspiUbuntu

Fixed in:5.4.0.1019.54USN-4525-1

linux-image-raspi-hwe-18.04Ubuntu

Fixed in:5.4.0.1019.23USN-4525-1

linux-image-raspi2Ubuntu

Fixed in:4.15.0.1071.68USN-4526-1

Fixed in:5.4.0.1019.54USN-4525-1

linux-image-snapdragonUbuntu

Fixed in:4.15.0.1087.90USN-4526-1

linux-image-snapdragon-hwe-18.04Ubuntu

Fixed in:5.4.0.48.52~18.04.42USN-4525-1

linux-image-virtualUbuntu

Fixed in:4.15.0.118.105USN-4526-1

Fixed in:5.4.0.48.51USN-4525-1

linux-image-virtual-hwe-16.04Ubuntu

Fixed in:4.15.0.118.119USN-4526-1

linux-image-virtual-hwe-18.04Ubuntu

Fixed in:5.4.0.48.52~18.04.42USN-4525-1

linux-kvmUbuntu

Fixed in:4.15.0-1075.76USN-4526-1

Fixed in:5.4.0-1024.24USN-4525-1

linux-oemUbuntu

Fixed in:4.15.0-1097.107USN-4526-1

linux-oracleUbuntu

Fixed in:4.15.0-1054.58~16.04.1USN-4526-1

Fixed in:4.15.0-1054.58USN-4526-1

Fixed in:5.4.0-1025.25USN-4525-1

linux-oracle-5.4Ubuntu

Fixed in:5.4.0-1025.25~18.04.1USN-4525-1

linux-raspiUbuntu

Fixed in:5.4.0-1019.21USN-4525-1

linux-raspi-5.4Ubuntu

Fixed in:5.4.0-1019.21~18.04.1USN-4525-1

linux-raspi2Ubuntu

Fixed in:4.15.0-1071.75USN-4526-1

linux-snapdragonUbuntu

Fixed in:4.15.0-1087.95USN-4526-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityNone

AvailabilityNone

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

Exploit Intelligence

5.23%probability of exploitation in 30 days

91stpercentile

High risk: more likely to be exploited than 91% of all known CVEs.

References

Patch4

Third-Party Advisory9

Other references2

Embed a live status badge for CVE-2020-16166

Markdown

[![CVE-2020-16166](https://tridentstack.com/cve/badge/CVE-2020-16166.svg)](https://tridentstack.com/cve/CVE-2020-16166)

HTML

<a href="https://tridentstack.com/cve/CVE-2020-16166"><img src="https://tridentstack.com/cve/badge/CVE-2020-16166.svg" alt="CVE-2020-16166"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.