CVE-2020-0423: Use After Free
First published: Mon Oct 05 2020(Updated: )
In binder_release_work of binder.c, there is a possible use-after-free due to improper locking. This could lead to local escalation of privilege in the kernel with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-161151868References: N/A
Credit: security@android.com security@android.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Google Android | ||
| Debian Debian Linux | =9.0 | |
| Google Android | ||
| debian/linux | 5.10.223-1 5.10.226-1 6.1.115-1 6.1.119-1 6.11.10-1 6.12.5-1 |
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Reference Links
- https://source.android.com/security/bulletin/2020-10-01
- https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html
- https://launchpad.net/bugs/cve/CVE-2020-0423
- https://source.android.com/docs/security/bulletin/2020-10-01/#asterisk
- https://source.android.com/docs/security/bulletin/2020-10-01 (Advisory)
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-0423
- https://nvd.nist.gov/vuln/detail/CVE-2020-0423
- https://security-tracker.debian.org/tracker/CVE-2020-0423
- https://ubuntu.com/security/CVE-2020-0423
- https://git.kernel.org/linus/f3277cbfba763cd2826396521b9296de67cf1bbc
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