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CVE-2017-2584

7.1 · HIGH

arch/x86/kvm/emulate.c in the Linux kernel through 4.9.3 allows local users to obtain sensitive information from kernel memory or cause a denial of service (use-after-free) via a crafted applicatio…

Published Jan 15, 2017CWE-200EPSS 0.42%

Overview

CVE-2017-2584 is a high-severity vulnerability. It was published on January 15, 2017 and has a CVSS 3.0 base score of 7.1 (HIGH).

This vulnerability has a CVSS 3.0 base score of 7.1, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

arch/x86/kvm/emulate.c in the Linux kernel through 4.9.3 allows local users to obtain sensitive information from kernel memory or cause a denial of service (use-after-free) via a crafted application that leverages instruction emulation for fxrstor, fxsave, sgdt, and sidt.

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=129a72a0d3c8e139a04512325384fe5ac119e74dRefwww.debian.org/security/2017/dsa-3791Refwww.openwall.com/lists/oss-security/2017/01/13/7Refwww.securityfocus.com/bid/95430Refwww.securitytracker.com/id/1037603Refbugzilla.redhat.com/show_bug.cgi?id=1413001GitHubgithub.com/torvalds/linux/commit/129a72a0d3c8e139a04512325384fe5ac119e74dRefusn.ubuntu.com/3754-1/Refgit.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=129a72a0d3c8e139a04512325384fe5ac119e74dRefwww.debian.org/security/2017/dsa-3791

How CyberStrike helps

Frequently asked questions

What is CVE-2017-2584?

CVE-2017-2584 is a high-severity vulnerability. It was published on January 15, 2017 and has a CVSS 3.0 base score of 7.1 (HIGH).

How severe is CVE-2017-2584?

This vulnerability has a CVSS 3.0 base score of 7.1, 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-2017-2584?

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-2017-2584?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2017-2584 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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