USN-6498-1: FRR vulnerabilities

Releases

• Ubuntu 23.10
• Ubuntu 23.04
• Ubuntu 22.04 LTS

Packages

• 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

• frr - 8.1-1ubuntu1.8

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

References

• CVE-2023-38407
• CVE-2023-38406
• CVE-2023-47235
• CVE-2023-47234

Related notices

• USN-6807-1: frr, frr-rpki-rtrlib, frr-snmp, frr-pythontools, frr-doc