CVE-2021-39698: Use After Free
First published: Mon Mar 07 2022(Updated: )
In aio_poll_complete_work of aio.c, there is a possible memory corruption due to a use after free. 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-185125206References: Upstream kernel
Credit: security@android.com security@android.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Google Android | ||
| Google Android | ||
| debian/linux | 5.10.223-1 5.10.226-1 6.1.115-1 6.1.119-1 6.12.6-1 |
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Reference Links
- https://source.android.com/security/bulletin/2022-03-01
- https://launchpad.net/bugs/cve/CVE-2021-39698
- https://android.googlesource.com/kernel/common/+/42288cb44c4b
- https://android.googlesource.com/kernel/common/+/a880b28a71e3
- https://android.googlesource.com/kernel/common/+/9537bae0da1f
- https://android.googlesource.com/kernel/common/+/363bee27e258
- https://android.googlesource.com/kernel/common/+/50252e4b5e98
- https://source.android.com/docs/security/bulletin/2022-03-01 (Advisory)
- https://security-tracker.debian.org/tracker/CVE-2021-39698
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-39698
- https://nvd.nist.gov/vuln/detail/CVE-2021-39698
- https://ubuntu.com/security/CVE-2021-39698
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