VxLAN Packet Forwarding Issue in NVIDIA Cumulus Linux
CVE-2023-25525

7.5HIGH

Key Information:

Vendor
Nvidia
Status
Cumulus Linux
Vendor
CVE Published:
20 September 2023

Summary

NVIDIA Cumulus Linux is affected by a vulnerability that arises when VxLAN-encapsulated IPv6 packets are received on an SVI interface. If the DMAC/DIPv6 is set to the link-local address of the SVI interface, these packets may be erroneously forwarded, which can potentially lead to unauthorized access to sensitive information.

Affected Version(s)

Cumulus Linux All versions prior to 5.6.0

References

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

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.