CVE-2023-25525 Information disclosure in Cumulus Linux

High 7.5 Published 20 Sep 2023 Updated 24 Sep 2024

An attacker can cause incorrect forwarding of VxLAN-encapsulated IPv6 packets, leading to information disclosure on NVIDIA Cumulus Linux network devices.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2023-25525?

CVE-2023-25525 is a high-severity vulnerability in NVIDIA Cumulus Linux, published on 20 Sep 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

NVIDIA Cumulus Linux contains a vulnerability in forwarding where a VxLAN-encapsulated IPv6 packet received on an SVI interface with DMAC/DIPv6 set to the link-local address of the SVI interface may be incorrectly forwarded. A successful exploit may lead to information disclosure.

Weakness: CWE-284

Which versions are affected by CVE-2023-25525?

It affects 1 product.

Products include Nvidia Cumulus Linux.

How do I fix CVE-2023-25525?

No fix has been published for CVE-2023-25525 yet. Limit exposure of the affected software until one is available.

Is CVE-2023-25525 being exploited?

There is no known exploitation of CVE-2023-25525 in the wild and no public exploit code.

Sources

Also known as GHSA-g4pv-fp7j-xm38.