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Ubuntu 23.10 USN-6498-1: Critical FRR Denial of Service Threat

ubuntu
Calendar Grey November 21, 2023
Dist Ubuntu Esm H88
On December 5, 2023, Fedora released patches for QEMU vulnerabilities to mitigate possible exploit risks and improve overall system security.
Several security issues were fixed in FRR.

Summary

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.

Topics%20covered

Topics Covered

security advisory denial of service security issue remote attack ubuntu frr

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

Severity
critical
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-6498-1

Topics%20covered

Topics Covered

security advisory denial of service security issue remote attack ubuntu frr

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

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