CVE-2024-5872: On affected platforms running Arista EOS, a specially crafted packet with incorrect VLAN tag might be copied to CPU, which may cause incorrect control plane behavior related to the packet, such as route flaps, multicast routes learnt, etc.

Published Jan 10, 2025
·
Updated

On affected platforms running Arista EOS, a specially crafted packet with incorrect VLAN tag might be copied to CPU, which may cause incorrect control plane behavior related to the packet, such as route flaps, multicast routes learnt, etc.

Affected Software

1 affected component
Arista EOS

Remediation

Information

The recommended resolution is to upgrade to a remediated software version at your earliest convenience. Arista recommends customers move to the latest version of each release that contains all the fixes listed below. For more information about upgrading see EOS User Manual: Upgrades and Downgrades https://www.arista.com/en/um-eos/eos-upgrades-and-downgrades   CVE-2024-5872 has been fixed in the following releases: * 4.33.0F and later releases in the 4.33.x train * 4.32.3M and later releases in the 4.32.x train * 4.31.5M and later releases in the 4.31.x train * 4.30.8M and later releases in the 4.30.x train * 4.29.9M and later releases in the 4.29.x train * 4.28.12M and later releases in the 4.28.x train

Event History

Jan 10, 2025
CVE Published
via MITRE·08:25 PM
Data Sourced
via MITRE·08:25 PM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·09:15 PM
DescriptionSeverity
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Frequently Asked Questions

1

What is the severity of CVE-2024-5872?

The severity of CVE-2024-5872 is classified as moderate due to the potential for incorrect control plane behavior.

2

How do I fix CVE-2024-5872?

To fix CVE-2024-5872, apply the latest security updates provided by Arista for the EOS platform.

3

What systems are affected by CVE-2024-5872?

CVE-2024-5872 affects systems running Arista EOS that improperly handle specially crafted packets.

4

What impact does CVE-2024-5872 have on network performance?

CVE-2024-5872 may cause routing instability, including route flaps and incorrect multicast routes.

5

Is there a workaround for CVE-2024-5872?

Currently, there are no known effective workarounds for CVE-2024-5872 apart from applying the recommended patches.

Contact

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