CVE-2015-6640
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...
- Published
- Jan 6, 2016
- Updated
- Aug 6, 2024
- Assigning CNA
- google_android
- Evidence observed
- Aug 8, 2026
Primary CVSS
nvd · CVSS 2.0
AV:N/AC:M/Au:N/C:C/I:C/A:CLow · next 30 days
- Percentile
- 65.7%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
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.
Sources
1Proof-of-concept exploit for Android kernel privilege escalation vulnerability CVE-2015-6640, demonstrating the flaw and providing a reference for security research.
Responsible use
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