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Ubuntu Security Notice USN-6498-1
November 21, 2023
frr vulnerabilities
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 23.10
- Ubuntu 23.04
- Ubuntu 22.04 LTS
Summary:
Several security issues were fixed in FRR.
Software Description:
- frr: FRRouting suite of internet protocols
Details:
It was discovered that FRR incorrectly handled certain BGP messages. A
remote attacker could possibly use this issue to cause FRR to crash,
resulting in a denial of service.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 23.10:
   frr                             8.4.4-1.1ubuntu1.2
Ubuntu 23.04:
   frr                             8.4.2-1ubuntu1.6
Ubuntu 22.04 LTS:
   frr                             8.1-1ubuntu1.8
In general, a standard system update will make all the necessary changes.
References:
   https://ubuntu.com/security/notices/USN-6498-1
   CVE-2023-38406, CVE-2023-38407, CVE-2023-47234, CVE-2023-47235
Package Information:
   https://launchpad.net/ubuntu/+source/frr/8.4.4-1.1ubuntu1.2
   https://launchpad.net/ubuntu/+source/frr/8.4.2-1ubuntu1.6
   https://launchpad.net/ubuntu/+source/frr/8.1-1ubuntu1.8