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Alerts This Week
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Ubuntu 20.10 USN-4757-1 High: wpa_supplicant Denial Of Service

ubuntu
Calendar Grey March 3, 2021
Dist Ubuntu Esm H88
Ubuntu Security Advisory USN-4758-1 details a vulnerability in NetworkManager that could lead to a denial of service or arbitrary code execution when processing network packets.
wpa_supplicant could be made to crash or run programs if it received specially crafted network traffic.

Summary

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu high network traffic ubuntu wpa_supplicant wpa

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 20.10: wpasupplicant 2:2.9-1ubuntu8.2 Ubuntu 20.04 LTS: wpasupplicant 2:2.9-1ubuntu4.3 Ubuntu 18.04 LTS: wpasupplicant 2:2.6-15ubuntu2.8 Ubuntu 16.04 LTS: wpasupplicant 2.4-0ubuntu6.8 After a standard system update you need to reboot your computer to make all the necessary changes.

References

CVE-2021-27803

Severity
important
Lowest
Low
Medium
High
Critical

March 03, 2021

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu high network traffic ubuntu wpa_supplicant wpa

Package Information

https://launchpad.net/ubuntu/+source/wpa/2:2.9-1ubuntu8.2 https://launchpad.net/ubuntu/+source/wpa/2:2.9-1ubuntu4.3 https://launchpad.net/ubuntu/+source/wpa/2:2.6-15ubuntu2.8 https://launchpad.net/ubuntu/+source/wpa/2.4-0ubuntu6.8

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