CVE-2022-20422: Race Condition
First published: Mon Oct 03 2022(Updated: )
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
Credit: security@android.com security@android.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Google Android | ||
| Debian Debian Linux | =10.0 | |
| Google Android | ||
| debian/linux | 5.10.223-1 5.10.226-1 6.1.115-1 6.1.119-1 6.12.6-1 6.12.8-1 |
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Reference Links
- https://source.android.com/security/bulletin/2022-10-01
- https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html
- https://launchpad.net/bugs/cve/CVE-2022-20422
- https://android.googlesource.com/kernel/common/+/885349f53dd73
- https://source.android.com/docs/security/bulletin/2022-10-01 (Advisory)
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-20422
- https://nvd.nist.gov/vuln/detail/CVE-2022-20422
- https://security-tracker.debian.org/tracker/CVE-2022-20422
- https://ubuntu.com/security/CVE-2022-20422
- https://git.kernel.org/linus/af483947d472eccb79e42059276c4deed76f99a6
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