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CVE-2023-25525

HIGH
7.5
CVSS Score
Published: September 20, 2023 at 12:03 AM UTC
Updated: June 17, 2026 at 05:41 AM UTC
1 product affected across 1 vendorCumulus Linux

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Severity
HIGH7.5
Exploit prediction
EPSS 0.6%
SSVC
No known exploit

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Cumulus Linux· NVIDIA
95%
v < 5.6.0
Affected range stops below 5.6.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor Advisory
Source: [email protected]
https://nvidia.custhelp.com/app/answers/detail/a_id/5480

SSVC — Action Prioritization

SSVCNo known exploitAutomatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHnvidia
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-284NVD-CWE-noinfo

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