Ubuntu 5395-1: networkd-dispatcher vulnerabilities | LinuxSecurity.com
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Ubuntu Security Notice USN-5395-1
April 28, 2022

networkd-dispatcher vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 22.04 LTS
- Ubuntu 21.10
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS

Summary:

Several security issues were fixed in networkd-dispatcher.

Software Description:
- networkd-dispatcher: Dispatcher service for systemd-networkd 
connection status changes

Details:

It was discovered that networkd-dispatcher incorrectly handled internal
scripts. A local attacker could possibly use this issue to cause a race
condition, escalate privileges and execute arbitrary code.
(CVE-2022-29799, CVE-2022-29800)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 22.04 LTS:
   networkd-dispatcher             2.1-2ubuntu0.22.04.1

Ubuntu 21.10:
   networkd-dispatcher             2.1-2ubuntu0.21.10.1

Ubuntu 20.04 LTS:
   networkd-dispatcher             2.1-2~ubuntu20.04.2

Ubuntu 18.04 LTS:
   networkd-dispatcher             1.7-0ubuntu3.4

In general, a standard system update will make all the necessary changes.

References:
   https://ubuntu.com/security/notices/USN-5395-1
   CVE-2022-29799, CVE-2022-29800

Package Information:
 
https://launchpad.net/ubuntu/+source/networkd-dispatcher/2.1-2ubuntu0.22.04.1
 
https://launchpad.net/ubuntu/+source/networkd-dispatcher/2.1-2ubuntu0.21.10.1
 
https://launchpad.net/ubuntu/+source/networkd-dispatcher/2.1-2~ubuntu20.04.2
   https://launchpad.net/ubuntu/+source/networkd-dispatcher/1.7-0ubuntu3.4

Ubuntu 5395-1: networkd-dispatcher vulnerabilities

April 28, 2022

Summary

A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 22.04 LTS - Ubuntu 21.10 - Ubuntu 20.04 LTS - Ubuntu 18.04 LTS Summary: Several security issues were fixed in networkd-dispatcher. Software Description: - networkd-dispatcher: Dispatcher service for systemd-networkd connection status changes Details: It was discovered that networkd-dispatcher incorrectly handled internal scripts. A local attacker could possibly use this issue to cause a race condition, escalate privileges and execute arbitrary code. (CVE-2022-29799, CVE-2022-29800)

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 22.04 LTS: networkd-dispatcher 2.1-2ubuntu0.22.04.1 Ubuntu 21.10: networkd-dispatcher 2.1-2ubuntu0.21.10.1 Ubuntu 20.04 LTS: networkd-dispatcher 2.1-2~ubuntu20.04.2 Ubuntu 18.04 LTS: networkd-dispatcher 1.7-0ubuntu3.4 In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-5395-1

CVE-2022-29799, CVE-2022-29800

Severity
Ubuntu Security Notice USN-5395-1

Package Information

https://launchpad.net/ubuntu/+source/networkd-dispatcher/2.1-2ubuntu0.22.04.1 https://launchpad.net/ubuntu/+source/networkd-dispatcher/2.1-2ubuntu0.21.10.1 https://launchpad.net/ubuntu/+source/networkd-dispatcher/2.1-2~ubuntu20.04.2 https://launchpad.net/ubuntu/+source/networkd-dispatcher/1.7-0ubuntu3.4

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