1. Ubuntu Security Notices
  2. USN-6807-1

USN-6807-1: FRR vulnerabilities

Publication date

5 June 2024

Overview

FRR could be made to crash or run programs if it received specially crafted network traffic.

Releases

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...

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

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
20.04 focal frr –  7.2.1-1ubuntu0.2+esm2  

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References

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