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CVE-2017-15588

7.8 · HIGH

An issue was discovered in Xen through 4.9.x allowing x86 PV guest OS users to execute arbitrary code on the host OS because of a race condition that can cause a stale TLB entry.

Published Oct 18, 2017CWE-362EPSS 0.33%

Overview

CVE-2017-15588 is a high-severity vulnerability. It was published on October 18, 2017 and has a CVSS 3.0 base score of 7.8 (HIGH).

This vulnerability has a CVSS 3.0 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

An issue was discovered in Xen through 4.9.x allowing x86 PV guest OS users to execute arbitrary code on the host OS because of a race condition that can cause a stale TLB entry.

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/101490Refwww.securitytracker.com/id/1039568Reflists.debian.org/debian-lts-announce/2017/11/msg00027.htmlReflists.debian.org/debian-lts-announce/2018/10/msg00009.htmlRefsecurity.gentoo.org/glsa/201801-14Refsupport.citrix.com/article/CTX228867Refwww.debian.org/security/2017/dsa-4050Refxenbits.xen.org/xsa/advisory-241.htmlRefwww.securityfocus.com/bid/101490Refwww.securitytracker.com/id/1039568

How CyberStrike helps

Frequently asked questions

What is CVE-2017-15588?

CVE-2017-15588 is a high-severity vulnerability. It was published on October 18, 2017 and has a CVSS 3.0 base score of 7.8 (HIGH).

How severe is CVE-2017-15588?

This vulnerability has a CVSS 3.0 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-2017-15588?

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-2017-15588?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2017-15588 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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