CVE-2017-2583

Name: CVE-2017-2583
Creator: NVD / NIST
Published: 2017-02-06T06:59:00.387+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.58%

Last modified Jun 17, 2026

CVE-2017-2583 is a vulnerability of currently unknown severity. The load_segment_descriptor implementation in arch/x86/kvm/emulate.c in the Linux kernel before 4.9.5 improperly emulates a "MOV SS, NULL selector" instruction, which allows guest OS users to cause a denial of service (guest OS crash) or gain guest OS privileges via a crafted application.. EPSS estimates a 0.58% chance of exploitation in the next 30 days.

Description

The load_segment_descriptor implementation in arch/x86/kvm/emulate.c in the Linux kernel before 4.9.5 improperly emulates a "MOV SS, NULL selector" instruction, which allows guest OS users to cause a denial of service (guest OS crash) or gain guest OS privileges via a crafted application.

Metrics

EPSS Probability

0.58%

43.3th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Linux	Linux Kernel	<= 4.9.4

References

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=33ab91103b3415e12457e3104f0e4517ce12d0f3Issue Tracking, Third Party Advisory
http://www.debian.org/security/2017/dsa-3791
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.5Release Notes, Vendor Advisory
http://www.openwall.com/lists/oss-security/2017/01/19/2Mailing List, Third Party Advisory
http://www.securityfocus.com/bid/95673Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2017:1615
https://access.redhat.com/errata/RHSA-2017:1616
https://bugzilla.redhat.com/show_bug.cgi?id=1414735Issue Tracking, Patch
https://github.com/torvalds/linux/commit/33ab91103b3415e12457e3104f0e4517ce12d0f3Issue Tracking, Patch, Third Party Advisory
https://usn.ubuntu.com/3754-1/
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=33ab91103b3415e12457e3104f0e4517ce12d0f3Issue Tracking, Third Party Advisory
http://www.debian.org/security/2017/dsa-3791
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.5Release Notes, Vendor Advisory
http://www.openwall.com/lists/oss-security/2017/01/19/2Mailing List, Third Party Advisory
http://www.securityfocus.com/bid/95673Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2017:1615
https://access.redhat.com/errata/RHSA-2017:1616
https://bugzilla.redhat.com/show_bug.cgi?id=1414735Issue Tracking, Patch
https://github.com/torvalds/linux/commit/33ab91103b3415e12457e3104f0e4517ce12d0f3Issue Tracking, Patch, Third Party Advisory
https://usn.ubuntu.com/3754-1/

Timeline

Published: Feb 6, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-2583?

How severe is CVE-2017-2583?

Severity scoring for CVE-2017-2583 is pending analysis. The EPSS model estimates a 0.58% probability of exploitation in the next 30 days.

How do I fix CVE-2017-2583?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-2583?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST