CVE-2021-20177

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Source

https://nvd.nist.gov/vuln/detail/CVE-2021-20177

Import Source

https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-20177.json

JSON Data

https://api.osv.dev/v1/vulns/CVE-2021-20177

Related

Published

2021-05-26T21:15:08Z

Modified

2024-09-18T01:00:22Z

Severity

4.4 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H CVSS Calculator

Summary

[none]

Details

A flaw was found in the Linux kernel's implementation of string matching within a packet. A privileged user (with root or CAPNETADMIN) when inserting iptables rules could insert a rule which can panic the system. Kernel before kernel 5.5-rc1 is affected.

References

Affected packages

Debian:11 / linux

Package

Name: linux
Purl: pkg:deb/debian/linux?arch=source

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

5.5.13-1

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Debian:12 / linux

Package

Name: linux
Purl: pkg:deb/debian/linux?arch=source

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

5.5.13-1

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Debian:13 / linux

Package

Name: linux
Purl: pkg:deb/debian/linux?arch=source

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

5.5.13-1

Ecosystem specific

{
    "urgency": "not yet assigned"
}