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 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 v3.0 7.8 HIGH
CVSS v2.0 9.3 HIGH

7.8^/10

CVSS v3.0 : HIGH

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

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

9.3^/10

CVSS v2.0 : HIGH

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

Exploitability : 8.6 / Impact : 10.0

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
http://source.android.com/security/bulletin/2016-01-01.html	Vendor Advisory
https://android.googlesource.com/kernel%2Fcommon/+/69bfe2d957d903521d32324190c2754cb073be15
http://www.securitytracker.com/id/1034592

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Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:google:android:5.0:::::::*
	cpe:2.3:o:google:android:5.1.1:::::::*
	cpe:2.3:o:google:android:4.4.4:::::::*
	cpe:2.3:o:google:android:6.0:::::::*

Information

Published : 2016-01-06 11:59

Updated : 2016-12-07 10:20

NVD link : CVE-2015-6640

Mitre link : CVE-2015-6640

JSON object : View

CWE

CWE-264

Permissions, Privileges, and Access Controls

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Products Affected

google

android

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