---
title: "CVE-2022-20486\n    | Ubuntu"
description: Ubuntu is an open source software operating system that runs from the
  desktop, to the cloud, to all your internet connected things.
url: https://ubuntu.com/security/CVE-2022-20486?format=md
keywords: index, follow
---

# CVE-2022-20486

Publication date 13 December 2022

Last updated 25 August 2025

---

Ubuntu priority

**Medium**

[Why this priority?](https://ubuntu.com/security/cves/about#priority )

## Cvss 3 Severity Score

**7.8 · High**

[Score breakdown](https://ubuntu.com/security/CVE-2022-20486?format=md#impact-score)

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## Description

In NotificationChannel of NotificationChannel.java, there is a possible
failure to persist permissions settings due to resource exhaustion. This
could lead to local escalation of privilege with no additional execution
privileges needed. User interaction is not needed for exploitation.Product:
AndroidVersions: Android-10 Android-11 Android-12 Android-12L
Android-13Android ID: A-242703118

[Read the notes from the security team](https://ubuntu.com/security/CVE-2022-20486?format=md#notes)

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| android-platform-frameworks-base | 24.10 oracular | Ignored |
| 24.04 LTS noble | Ignored |
| 23.10 mantic | Ignored end of life, was needs-triage |
| 23.04 lunar | Ignored end of life, was needs-triage |
| 22.10 kinetic | Ignored end of life, was needs-triage |
| 22.04 LTS jammy | Ignored |
| 20.04 LTS focal | Ignored |
| 18.04 LTS bionic | Ignored end of standard support, was needs-triage |
| 16.04 LTS xenial | Ignored end of standard support |
| 14.04 LTS trusty | Not in release |

---

* [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)
* [What do statuses mean?](https://ubuntu.com/security/cves/about#statuses)

## Notes

---

### [mdeslaur](https://launchpad.net/~mdeslaur)

We do not support security updates for Android components,
marking as ignored.

## Severity score breakdown

CVSS version:
CVSS v3.0

**Base score**

7.8 · High

* Base metrics

  | Parameter | Value |
  | --- | --- |
  | Attack vector | Local |
  | Attack complexity | Low |
  | Privileges required | Low |
  | User interaction | None |
  | Scope | Unchanged |
  | Confidentiality impact | High |
  | Integrity impact | High |
  | Availability impact | High |
* Scores

  | Parameter | Value |
  | --- | --- |
  | Base score | 7.8 · High |
  | Exploitability score | - |
  | Impact score | - |

**Vector:** CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-20486)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2022-20486)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2022-20486)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2022-20486)

### Other references

* <https://source.android.com/security/bulletin/2022-12-01>
* <https://www.cve.org/CVERecord?id=CVE-2022-20486>