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CVE-2021-20297

Publication date 2 April 2021

Last updated 24 July 2024


Ubuntu priority

Cvss 3 Severity Score

5.5 · Medium

Score breakdown

A flaw was found in NetworkManager in versions before 1.30.0. Setting match.path and activating a profile crashes NetworkManager. The highest threat from this vulnerability is to system availability.

Read the notes from the security team

Status

Package Ubuntu Release Status
network-manager 20.10 groovy
Fixed 1.26.2-1ubuntu1.1
20.04 LTS focal
Not affected
18.04 LTS bionic
Not affected
16.04 LTS xenial
Not affected
14.04 LTS trusty Not in release

Notes


mdeslaur

introduced by: https://gitlab.freedesktop.org/NetworkManager/NetworkManager/-/commit/3ced486f4162edcd03ff42fa27535130aff0c86c

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
network-manager

Severity score breakdown

Parameter Value
Base score 5.5 · Medium
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

    • USN-4914-1
    • NetworkManager vulnerability
    • 14 April 2021

Other references