Security Bulletin: NVIDIA NVFlash, GPUModeSwitch Tool - November 2019

Updated 11/14/2019 04:35 PM

NVIDIA has released a software security update for NVIDIA NVFlash Tool. This update addresses issues that may lead to escalation of privileges, information disclosure, or denial of service. This update is available only to NVIDIA OEMs and partners.

Go to NVIDIA Product Security.


Details

This section summarizes the potential impact that this security update addresses. Descriptions use CWE™, and base scores and vectors use CVSS V3 standards.

CVE Description Base Score Vector
CVE‑2019‑5688 NVIDIA kernel mode driver (nvflash.sys, nvflsh32.sys, and nvflsh64.sys) contains a vulnerability in which authenticated users with administrative privileges can gain access to device memory and registers of other devices not managed by NVIDIA, which may lead to escalation of privileges, information disclosure, or denial of service. 6.7 AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

The NVIDIA risk assessment is based on an average of risk across a diverse set of installed systems and may not represent the true risk of your local installation. NVIDIA recommends consulting a security or IT professional to evaluate the risk to your specific configuration.

Security Updates

The following table lists the NVIDIA software products affected and the updated versions that include this security update.

Software Product Operating System Updated Version
NVFlash
NVUFlash
Windows 5.588.0
GPUModeSwitch Windows 2019-11

Notes:

  • NVFlash and NVUFlash
    • This product update is available only to NVIDIA OEMs and partners.
    • There is no action for end-users.
  • GPUModeSwitch product update is available by logging in to the NVIDIA Enterprise Application Hub to download updates from the NVIDIA Licensing Center.

Mitigations

None. See Security Updates for the version to install.

Acknowledgements

CVE‑2019‑5688: NVIDIA thanks Jesse Michael and Mickey Shkatov of Eclypsium for reporting this issue.

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Revision History

Revision Date Description
2.0 November 14, 2019 Added GPUModeSwitch to affected products
1.0 November 6, 2019 Initial release

Support

If you have any questions about this security bulletin, contact NVIDIA Support.

Disclaimer

Information is believed to be accurate and reliable at the time it is furnished. However, NVIDIA Corporation assumes no responsibility for the consequences of use of such information or for any infringement of patents or other rights of third parties that may result from its use. No license is granted by implication or otherwise under any patent or patent rights of NVIDIA Corporation. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. NVIDIA Corporation products are not authorized for use as critical components in life support devices or systems without express written approval of NVIDIA Corporation.

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