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

What is CVE-2023-25525?

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.

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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

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