CVE-2021-39648: Race Condition
First published: Wed Dec 15 2021(Updated: )
In gadget_dev_desc_UDC_show of configfs.c, there is a possible disclosure of kernel heap memory due to a race condition. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-160822094References: Upstream kernel
Credit: security@android.com security@android.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Google Android | ||
| debian/linux | 5.10.223-1 5.10.226-1 6.1.115-1 6.1.112-1 6.11.5-1 6.11.7-1 |
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Reference Links
- https://source.android.com/security/bulletin/pixel/2021-12-01
- https://launchpad.net/bugs/cve/CVE-2021-39648
- https://git.kernel.org/linus/64e6bbfff52db4bf6785fab9cffab850b2de6870
- https://security-tracker.debian.org/tracker/CVE-2021-39648
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-39648
- https://nvd.nist.gov/vuln/detail/CVE-2021-39648
- https://ubuntu.com/security/CVE-2021-39648
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