---
id: CVE-2022-20422
title: >-
  In emulation_proc_handler of armv8_deprecated.c, there is a possible way to
  corrupt memory due to a race condition
summary: >-
  In emulation_proc_handler of armv8_deprecated.c, there is a possible way to
  corrupt memory due to a race condition. This could lead to local escalation of
  privilege with no additional execution privileges needed. User interaction is
  not …
severity: high
cvss: 7
cvssVector: 'CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-667
vendor: google
product: android
affected:
  - android
  - debian_linux = 10.0
published: '2022-10-11'
updated: '2026-10-14'
sourceUpdated: '2026-10-14T16:17:22.610'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2022-20422'
references:
  - url: 'https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html'
    label: security@android.com
  - url: 'https://source.android.com/security/bulletin/2022-10-01'
    label: security@android.com
  - url: 'https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://source.android.com/security/bulletin/2022-10-01'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://cert-portal.siemens.com/productcert/html/ssa-770721.html'
    label: 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
  - url: 'https://cert-portal.siemens.com/productcert/html/ssa-794697.html'
    label: 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
  - url: 'https://cert-portal.siemens.com/productcert/html/ssa-831302.html'
    label: 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
tags:
  - nvd
  - cve.org
epss: 0.00194
epssPercentile: 0.08995
ingestedAt: '2026-10-14T16:40:32.048Z'
---

## Overview

In emulation_proc_handler of armv8_deprecated.c, there is a possible way to corrupt memory due to a race condition. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-237540956References: Upstream kernel

## Affected

- `android`
- `debian_linux = 10.0`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.