CVE-2019-1999: Double Free
First published: Mon Feb 04 2019(Updated: )
In binder_alloc_free_page of binder_alloc.c, there is a possible double 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: Android. Versions: Android kernel. Android ID: A-120025196.
Credit: security@android.com security@android.com security@android.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Android | ||
| Debian | =9.0 | |
| Debian | =10.0 | |
| Ubuntu Linux | =19.04 | |
| Android | ||
| Ubuntu | =19.04 | |
| debian/linux | 5.10.223-1 5.10.234-1 6.1.123-1 6.1.128-1 6.12.12-1 6.12.17-1 |
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Reference Links
- http://www.securityfocus.com/bid/106851
- https://source.android.com/security/bulletin/2019-02-01
- https://www.exploit-db.com/exploits/46357/
- https://usn.ubuntu.com/3979-1/
- https://www.debian.org/security/2019/dsa-4495
- https://seclists.org/bugtraq/2019/Aug/13
- https://launchpad.net/bugs/cve/CVE-2019-1999
- https://source.android.com/docs/security/bulletin/2019-02-01/#asterisk
- https://source.android.com/docs/security/bulletin/2019-02-01 (Advisory)
- https://git.kernel.org/linus/5cec2d2e5839f9c0fec319c523a911e0a7fd299f
- https://security-tracker.debian.org/tracker/CVE-2019-1999
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-1999
- https://nvd.nist.gov/vuln/detail/CVE-2019-1999
- https://ubuntu.com/security/CVE-2019-1999
Frequently Asked Questions
What is the vulnerability ID for this issue?
The vulnerability ID for this issue is CVE-2019-1999.
What is the severity of CVE-2019-1999?
CVE-2019-1999 has a severity level of high.
How does CVE-2019-1999 affect Android?
CVE-2019-1999 affects Android.
Is user interaction required for exploitation of CVE-2019-1999?
No, user interaction is not needed for exploitation of CVE-2019-1999.
Where can I find more information about CVE-2019-1999?
You can find more information about CVE-2019-1999 at the following references: [http://www.securityfocus.com/bid/106851](http://www.securityfocus.com/bid/106851), [https://source.android.com/security/bulletin/2019-02-01](https://source.android.com/security/bulletin/2019-02-01), [https://www.exploit-db.com/exploits/46357/](https://www.exploit-db.com/exploits/46357/).
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