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CVE-2017-14316

8.8 · HIGH

A parameter verification issue was discovered in Xen through 4.9.x.

Published Sep 12, 2017CWE-125EPSS 0.41%

Overview

CVE-2017-14316 is a high-severity vulnerability. It was published on September 12, 2017 and has a CVSS 3.0 base score of 8.8 (HIGH).

This vulnerability has a CVSS 3.0 base score of 8.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

A parameter verification issue was discovered in Xen through 4.9.x. The function `alloc_heap_pages` allows callers to specify the first NUMA node that should be used for allocations through the `memflags` parameter; the node is extracted using the `MEMF_get_node` macro. While the function checks to see if the special constant `NUMA_NO_NODE` is specified, it otherwise does not handle the case where `node >= MAX_NUMNODES`. This allows an out-of-bounds access to an internal array.

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

Refwww.securityfocus.com/bid/100818Refwww.securitytracker.com/id/1039348Refxenbits.xen.org/xsa/advisory-231.htmlReflists.debian.org/debian-lts-announce/2018/10/msg00009.htmlRefsupport.citrix.com/article/CTX227185Refwww.debian.org/security/2017/dsa-4050Refwww.securityfocus.com/bid/100818Refwww.securitytracker.com/id/1039348Refxenbits.xen.org/xsa/advisory-231.htmlReflists.debian.org/debian-lts-announce/2018/10/msg00009.html

How CyberStrike helps

Frequently asked questions

What is CVE-2017-14316?

CVE-2017-14316 is a high-severity vulnerability. It was published on September 12, 2017 and has a CVSS 3.0 base score of 8.8 (HIGH).

How severe is CVE-2017-14316?

This vulnerability has a CVSS 3.0 base score of 8.8, 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-2017-14316?

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-2017-14316?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2017-14316 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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