SB2025021864 - Fedora 40 update for frr

Description

This security bulletin contains information about 3 secuirty vulnerabilities.

1) Buffer overflow (CVE-ID: CVE-2024-31950)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error in ospf_te_parse_ri when parsing OSPF LSA packets. A remote attacker can send specially crafted packets to the system, trigger memory corruption and perform a denial of service (DoS) attack.

2) Buffer overflow (CVE-ID: CVE-2024-31951)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error in ospf_te_parse_ext_link when parsing OSPF LSA packets. A remote attacker can send specially crafted packets to the daemon, trigger memory corruption and perform a denial of service (DoS) attack.

3) Infinite loop (CVE-ID: CVE-2024-31949)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to infinite loop when receiving a MP/GR capability as a dynamic capability. A remote attacker can consume all available system resources and cause denial of service conditions.

Remediation

Install update from vendor's website.

References

• https://bodhi.fedoraproject.org/updates/FEDORA-2024-e60ca8feb0