CVE-2026-47503: CWE-787 Out-of-bounds Write in NVIDIA Virtual GPU Manager
NVIDIA GPU Display Driver for Linux contains a vulnerability in the Virtual GPU Manager (vGPU plugin), where a guest VM user may cause an out-of-bounds write by sending a crafted RPC message with invalid performance state list size parameters. A successful exploit of this vulnerability might lead to code execution, escalation of privileges, data tampering, denial of service, and information disclosure.
AI Analysis
Technical Summary
The NVIDIA GPU Display Driver for Linux's Virtual GPU Manager (vGPU plugin) contains a CWE-787 out-of-bounds write vulnerability. A guest virtual machine user can exploit this by sending a specially crafted RPC message with invalid performance state list size parameters, causing memory corruption. This vulnerability has a CVSS 3.1 base score of 7.8, indicating high severity, with impacts including potential code execution, privilege escalation, data tampering, denial of service, and information disclosure.
Potential Impact
Successful exploitation may allow an attacker with limited privileges on a guest VM to execute arbitrary code, escalate privileges, tamper with data, cause denial of service, or disclose sensitive information on the host system running the NVIDIA Virtual GPU Manager.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance.
CVE-2026-47503: CWE-787 Out-of-bounds Write in NVIDIA Virtual GPU Manager
Description
NVIDIA GPU Display Driver for Linux contains a vulnerability in the Virtual GPU Manager (vGPU plugin), where a guest VM user may cause an out-of-bounds write by sending a crafted RPC message with invalid performance state list size parameters. A successful exploit of this vulnerability might lead to code execution, escalation of privileges, data tampering, denial of service, and information disclosure.
CVSS v3.1
Score 7.8high
Affected software
NVIDIA
Virtual GPU Manager
NVIDIA
Virtual GPU Manager
NVIDIA
Virtual GPU Manager
NVIDIA
Virtual GPU Manager
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The NVIDIA GPU Display Driver for Linux's Virtual GPU Manager (vGPU plugin) contains a CWE-787 out-of-bounds write vulnerability. A guest virtual machine user can exploit this by sending a specially crafted RPC message with invalid performance state list size parameters, causing memory corruption. This vulnerability has a CVSS 3.1 base score of 7.8, indicating high severity, with impacts including potential code execution, privilege escalation, data tampering, denial of service, and information disclosure.
Potential Impact
Successful exploitation may allow an attacker with limited privileges on a guest VM to execute arbitrary code, escalate privileges, tamper with data, cause denial of service, or disclose sensitive information on the host system running the NVIDIA Virtual GPU Manager.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- nvidia
- Date Reserved
- 2026-05-19T19:55:41.286Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6abd368d2a4e24523d3a8d2a
Added to database: 09/30/2026, 16:19:25 UTC
Last enriched: 09/30/2026, 17:33:16 UTC
Last updated: 10/01/2026, 04:03:38 UTC
Views: 6
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