Improper access control in NVIDIA Cumulus Linux
Priority MEDIUM 42CWE-284Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-284.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00555 46th percentileScored 2026-11-07
Fix Fixed Cumulus Linux (NVIDIA): 5.6.0
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA Cumulus Linux (NVIDIA) Fixed in 5.6.0
Timeline
- 2026-10-02 Threatist record created from CVE-2023-25525
- 2026-10-03 Alias added: GHSA-g4pv-fp7j-xm38
References
More NVIDIA Cumulus Linux vulnerabilities
- TI-2025-24117 Command injection in NVIDIA Cumulus Linux GA CVSS 3.1HIGH 8.8
- TI-2025-24116 NVIDIA Cumulus Linux and NVOS products contain a vulnerability in the NVUE interface… CVSS 3.1HIGH 8.8
- TI-2026-19495 Buffer overflow in NVIDIA Cumulus Linux GA CVSS 3.1HIGH 8.8
- TI-2025-24118 Command injection in NVIDIA Cumulus Linux GA CVSS 3.1HIGH 8.8
- TI-2026-19494 NVIDIA Cumulus Linux contains a vulnerability in the user management component, where an… CVSS 3.1HIGH 7.8
- TI-2023-10831 NVIDIA Cumulus Linux contains a vulnerability in neighmgrd and nlmanager where an… CVSS 3.1MEDIUM 6.5
Sources
- CVE-2023-25525 · CVE Program
- CVE-2023-25525 · NVD
- FIRST EPSS
- GHSA-g4pv-fp7j-xm38 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences