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CVE-2015-8944

5.5 · MEDIUM

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, whic…

Published Aug 6, 2016CWE-200EPSS 0.58%

Overview

CVE-2015-8944 is a medium-severity vulnerability. It was published on August 6, 2016 and has a CVSS 3.0 base score of 5.5 (MEDIUM).

This vulnerability has a CVSS 3.0 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refsource.android.com/security/bulletin/2016-08-01.htmlRefwww.openwall.com/lists/kernel-hardening/2016/04/06/22Refwww.securityfocus.com/bid/92222Refsource.codeaurora.org/quic/la/kernel/msm-3.10/commit/?id=e758417e7c31b975c862aa55d0ceef28f3cc9104Refsource.android.com/security/bulletin/2016-08-01.htmlRefwww.openwall.com/lists/kernel-hardening/2016/04/06/22Refwww.securityfocus.com/bid/92222Refsource.codeaurora.org/quic/la/kernel/msm-3.10/commit/?id=e758417e7c31b975c862aa55d0ceef28f3cc9104

How CyberStrike helps

Frequently asked questions

What is CVE-2015-8944?

CVE-2015-8944 is a medium-severity vulnerability. It was published on August 6, 2016 and has a CVSS 3.0 base score of 5.5 (MEDIUM).

How severe is CVE-2015-8944?

This vulnerability has a CVSS 3.0 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2015-8944?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2015-8944?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2015-8944 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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