CVE-2015-8944 Information

Description

The ioresources_init function in kernel/resource.c in the Linux kernel through 4.7 as used in Android before 2016-08-05 on Nexus 6 and 7 (2013) devices uses weak permissions for /proc/iomem which allows local users to obtain sensitive information by reading this file aka Android internal bug 28814213 and Qualcomm internal bug CR786116. NOTE: the permissions may be intentional in most non-Android contexts.

CVSS Vector

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

Reference

http://source.android.com/security/bulletin/2016-08-01.html http://www.openwall.com/lists/kernel-hardening/2016/04/06/22 http://www.securityfocus.com/bid/92222 https://source.codeaurora.org/quic/la/kernel/msm-3.10/commit/?id=e758417e7c31b975c862aa55d0ceef28f3cc9104

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

5.5