CVE-2023-25525

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-09-20 · updated 2026-06-17
Weakness: CWE-284

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.

Affected products

NVIDIA Cumulus Linux GA: before 5.6.0 — fixed in 5.6.0

How to fix

Upgrade to a fixed version: NVIDIA Cumulus Linux GA 5.6.0. Check the vendor advisory for mitigations.

References

https://nvidia.custhelp.com/app/answers/detail/a_id/5480
https://nvidia.custhelp.com/app/answers/detail/a_id/5480

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