CVE-2015-6640

high

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.

References

https://android.googlesource.com/kernel%2Fcommon/+/69bfe2d957d903521d32324190c2754cb073be15

http://www.securitytracker.com/id/1034592

http://source.android.com/security/bulletin/2016-01-01.html

Details

Source: Mitre, NVD

Published: 2016-01-06

Updated: 2025-04-12

Risk Information

CVSS v2

Base Score: 9.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 7.8

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.01266