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CVE-2017-7616

5.5 · MEDIUM

Incorrect error handling in the set_mempolicy and mbind compat syscalls in mm/mempolicy.c in the Linux kernel through 4.10.9 allows local users to obtain sensitive information from uninitialized st…

Published Apr 10, 2017CWE-388EPSS 0.41%

Overview

CVE-2017-7616 is a medium-severity vulnerability. It was published on April 10, 2017 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. Some level of privileges is required for exploitation.

Technical description

Incorrect error handling in the set_mempolicy and mbind compat syscalls in mm/mempolicy.c in the Linux kernel through 4.10.9 allows local users to obtain sensitive information from uninitialized stack data by triggering failure of a certain bitmap operation.

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

Refgit.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=cf01fb9985e8deb25ccf0ea54d916b8871ae0e62Refwww.securityfocus.com/bid/97527Refwww.securitytracker.com/id/1038503Refaccess.redhat.com/errata/RHSA-2017:1842Refaccess.redhat.com/errata/RHSA-2017:2077Refaccess.redhat.com/errata/RHSA-2018:1854GitHubgithub.com/torvalds/linux/commit/cf01fb9985e8deb25ccf0ea54d916b8871ae0e62Refsource.android.com/security/bulletin/2017-09-01Refgit.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=cf01fb9985e8deb25ccf0ea54d916b8871ae0e62Refwww.securityfocus.com/bid/97527

How CyberStrike helps

Frequently asked questions

What is CVE-2017-7616?

CVE-2017-7616 is a medium-severity vulnerability. It was published on April 10, 2017 and has a CVSS 3.0 base score of 5.5 (MEDIUM).

How severe is CVE-2017-7616?

This vulnerability has a CVSS 3.0 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2017-7616?

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-2017-7616?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2017-7616 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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