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CVE-2016-8636

7.8 · HIGH

Integer overflow in the mem_check_range function in drivers/infiniband/sw/rxe/rxe_mr.c in the Linux kernel before 4.9.10 allows local users to cause a denial of service (memory corruption), obtain…

Published Feb 22, 2017CWE-190EPSS 1.15%

Overview

CVE-2016-8636 is a high-severity vulnerability. It was published on February 22, 2017 and has a CVSS 3.1 base score of 7.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

Integer overflow in the mem_check_range function in drivers/infiniband/sw/rxe/rxe_mr.c in the Linux kernel before 4.9.10 allows local users to cause a denial of service (memory corruption), obtain sensitive information from kernel memory, or possibly have unspecified other impact via a write or read request involving the "RDMA protocol over infiniband" (aka Soft RoCE) technology.

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=647bf3d8a8e5777319da92af672289b2a6c4dc66Refwww.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.10Refwww.openwall.com/lists/oss-security/2017/02/11/9Refwww.securityfocus.com/bid/96189Refbugzilla.redhat.com/show_bug.cgi?id=1421981Refeyalitkin.wordpress.com/2017/02/11/cve-publication-cve-2016-8636/GitHubgithub.com/torvalds/linux/commit/647bf3d8a8e5777319da92af672289b2a6c4dc66Refgit.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=647bf3d8a8e5777319da92af672289b2a6c4dc66Refwww.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.10Refwww.openwall.com/lists/oss-security/2017/02/11/9

How CyberStrike helps

Frequently asked questions

What is CVE-2016-8636?

CVE-2016-8636 is a high-severity vulnerability. It was published on February 22, 2017 and has a CVSS 3.1 base score of 7.8 (HIGH).

How severe is CVE-2016-8636?

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2016-8636?

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-2016-8636?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2016-8636 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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