CVE-2022-20572
First published: Fri Dec 16 2022(Updated: )
In verity_target of dm-verity-target.c, there is a possible way to modify read-only files due to a missing permission check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-234475629References: Upstream kernel
Credit: security@android.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Android | ||
| debian/linux | 5.10.223-1 5.10.234-1 6.1.129-1 6.1.128-1 6.12.20-1 6.12.21-1 |
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Reference Links
- https://source.android.com/security/bulletin/pixel/2022-12-01
- https://launchpad.net/bugs/cve/CVE-2022-20572
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-20572
- https://nvd.nist.gov/vuln/detail/CVE-2022-20572
- https://security-tracker.debian.org/tracker/CVE-2022-20572
- https://ubuntu.com/security/CVE-2022-20572
- https://git.kernel.org/linus/4caae58406f8ceb741603eee460d79bacca9b1b5
Frequently Asked Questions
What is the severity of CVE-2022-20572?
CVE-2022-20572 has a critical severity level as it allows local escalation of privilege due to a missing permission check.
How do I fix CVE-2022-20572?
To fix CVE-2022-20572, you should update your Android device or Linux package to the latest version that addresses the vulnerability.
What platforms are affected by CVE-2022-20572?
CVE-2022-20572 affects certain versions of Android and specific Linux kernel packages on Debian.
Is user interaction required to exploit CVE-2022-20572?
No, user interaction is not needed to exploit CVE-2022-20572 as it can be exploited locally.
What is the potential impact of CVE-2022-20572?
The potential impact of CVE-2022-20572 includes unauthorized modification of read-only files leading to privilege escalation.
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