USN-6807-1: FRR vulnerabilities

Releases

• Ubuntu 20.04 LTS

Packages

• frr - FRRouting suite of internet protocols

Details

It was discovered that FRR incorrectly handled certain network traffic.
A remote attacker could possibly use this issue to cause FRR to crash,
resulting in a denial of service. (CVE-2022-26126, CVE-2022-26127,
CVE-2022-26128, CVE-2022-26129, CVE-2022-37032, CVE-2022-37035,
CVE-2023-31490, CVE-2023-38406, CVE-2023-38407, CVE-2023-46752,
CVE-2023-46753, CVE-2023-47234, CVE-2023-47235, CVE-2024-31948)

Ben Cartwright-Cox discovered that FRR incorrectly handled certain
network traffic. A remote attacker could possibly use this issue to cause
FRR to crash, resulting in a denial of service. (CVE-2023-38802)

Update instructions

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

Ubuntu 20.04

• frr - 7.2.1-1ubuntu0.2+esm2
  Available with Ubuntu Pro

After a standard system update you need to restart FRR to make
all the necessary changes.

References

• CVE-2022-37035
• CVE-2023-47234
• CVE-2022-37032
• CVE-2023-38802
• CVE-2023-46752
• CVE-2023-47235
• CVE-2022-26127
• CVE-2024-31948
• CVE-2023-38407
• CVE-2022-26129
• CVE-2023-46753
• CVE-2022-26128
• CVE-2023-31490
• CVE-2022-26126
• CVE-2023-38406

Related notices

• USN-5685-1: frr-pythontools, frr, frr-doc, frr-rpki-rtrlib, frr-snmp
• USN-6498-1: frr-pythontools, frr, frr-doc, frr-rpki-rtrlib, frr-snmp
• USN-6482-1: quagga-ospfd, quagga-bgpd, quagga-isisd, quagga-ospf6d, quagga-pimd, quagga-ripngd, quagga, quagga-doc, quagga-core, quagga-ripd
• USN-6481-1: frr-pythontools, frr, frr-doc, frr-rpki-rtrlib, frr-snmp
• USN-6794-1: frr-pythontools, frr, frr-doc, frr-rpki-rtrlib, frr-snmp
• USN-6136-1: frr-pythontools, frr, frr-doc, frr-rpki-rtrlib, frr-snmp
• USN-6323-1: frr-pythontools, frr, frr-doc, frr-rpki-rtrlib, frr-snmp