Vulnerability Description
The prctl_set_vma_anon_name function in kernel/sys.c in Android before 5.1.1 LMY49F and 6.0 before 2016-01-01 does not ensure that only one vma is accessed in a certain update action, which allows attackers to gain privileges or cause a denial of service (vma list corruption) via a crafted application, aka internal bug 20017123.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Android | 4.4.4 |
Related Weaknesses (CWE)
References
- http://source.android.com/security/bulletin/2016-01-01.htmlVendor Advisory
- http://www.securitytracker.com/id/1034592
- https://android.googlesource.com/kernel%2Fcommon/+/69bfe2d957d903521d32324190c27
- http://source.android.com/security/bulletin/2016-01-01.htmlVendor Advisory
- http://www.securitytracker.com/id/1034592
- https://android.googlesource.com/kernel%2Fcommon/+/69bfe2d957d903521d32324190c27
FAQ
What is CVE-2015-6640?
CVE-2015-6640 is a vulnerability with a CVSS score of 7.8 (HIGH). The prctl_set_vma_anon_name function in kernel/sys.c in Android before 5.1.1 LMY49F and 6.0 before 2016-01-01 does not ensure that only one vma is accessed in a certain update action, which allows att...
How severe is CVE-2015-6640?
CVE-2015-6640 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2015-6640?
Check the references section above for vendor advisories and patch information. Affected products include: Google Android.