NVIDIA GeForce RTX Quadro NVS Tesla Guest driver Kernel Mode Layer privileges management

Summaryinfo

A vulnerability was found in NVIDIA GeForce RTX Quadro NVS Tesla Guest driver. It has been classified as very critical. The affected element is an unknown function of the component Kernel Mode Layer. This manipulation causes privileges management. This vulnerability is registered as CVE-2026-47491. The attack needs to be launched locally. No exploit is available.

Detailsinfo

A vulnerability classified as very critical was found in NVIDIA GeForce RTX Quadro NVS Tesla Guest driver (unknown version). Affected by this vulnerability is an unknown code block of the component Kernel Mode Layer. The manipulation with an unknown input leads to a privileges management vulnerability. The CWE definition for the vulnerability is CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

NVIDIA GPU Display Driver for Linux contains a vulnerability in the kernel mode layer where an unprivileged user can cause improper release of memory resources, leaving a mapping accessible after the underlying memory is reused. A successful exploit of this vulnerability might lead to code execution, denial of service, escalation of privileges, information disclosure, and data tampering.

This vulnerability is known as CVE-2026-47491 since 05/19/2026. The exploitation appears to be easy. An attack has to be approached locally. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 09/30/2026). MITRE ATT&CK project uses the attack technique T1068 for this issue.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

• Hardware Driver Software

Vendor

• NVIDIA

Name

• GeForce RTX Quadro NVS Tesla Guest driver

License

• commercial

Website

• Vendor: https://www.nvidia.com/

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Entryinfo

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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