CVE-2023-20922: Permanent denial of service via PackageManager#setMimeGroup in platform/frameworks/base

platform/frameworks/base Updated 02 Oct 2025

Summary

01/01/2023

Disclosed on

CVE-2023-20922

CVE

Yes i

Fix available

High

Severity

Not published

CVSS Score

CVE-2023-20922: In setMimeGroup of PackageManagerService.java, there is a possible crash loop due to resource exhaustion. Affects platform/frameworks/base across 4 version ranges.

>= 11:0, < 11:2023-01-01 >= 12:0, < 12:2023-01-01 >= 12L:0, < 12L:2023-01-01 >= 13:0, < 13:2023-01-01

Fixed in 11:2023-01-01. How to fix ↓

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Background

The platform/frameworks/base package is a fundamental component of the Android ecosystem. It provides core functionalities and services for the Android operating system. One of its key features is the PackageManager, which manages the installation, update, and removal of applications on an Android device. This package is vulnerable to a permanent denial of service (DoS) attack through the setMimeGroup method of the PackageManagerService class.

Vulnerability Detail

The vulnerability arises from a possible crash loop in the setMimeGroup method of PackageManagerService.java. An attacker can exploit this vulnerability to exhaust system resources, leading to a local DoS attack. The attack does not require any additional execution privileges or user interaction. The impact of this vulnerability is limited to the denial of service, and it does not grant the attacker any unauthorized access or control over the device.

How To Fix

Minimum fixed version

11:2023-01-01

This is the first release that contains the fix.

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Workaround

There is no specific workaround mentioned for this vulnerability. Developers are advised to apply the fix provided by the package maintainers.

Conclusion

The vulnerability CVE-2023-20922 in the platform/frameworks/base package exposes Android devices to a local denial of service attack. It is crucial for developers to update their applications with the patched version of the package to mitigate the risk. For further support and assistance in vulnerability remediation, you can reach out to DevNack.com.

See every vulnerability recorded for platform/frameworks/base →