CVE-2014-8866

Name: CVE-2014-8866
Creator: NVD / NIST
Published: 2014-12-01T15:59:08.797+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.43%

Last modified Jun 17, 2026

CVE-2014-8866 is a vulnerability of currently unknown severity. The compatibility mode hypercall argument translation in Xen 3.3.x through 4.4.x, when running on a 64-bit hypervisor, allows local 32-bit HVM guests to cause a denial of service (host crash) via vectors involving altering the high halves of registers while in 64-bit mode.. EPSS estimates a 0.43% chance of exploitation in the next 30 days.

Description

The compatibility mode hypercall argument translation in Xen 3.3.x through 4.4.x, when running on a 64-bit hypervisor, allows local 32-bit HVM guests to cause a denial of service (host crash) via vectors involving altering the high halves of registers while in 64-bit mode.

Metrics

EPSS Probability

0.43%

34.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-17

Affected Software

Vendor	Product	Versions
Debian	Debian Linux	7.0
Xen	Xen	3.3.0
Xen	Xen	3.3.1
Xen	Xen	3.3.2
Xen	Xen	3.4.0
Xen	Xen	3.4.1
Xen	Xen	3.4.2
Xen	Xen	3.4.3
Xen	Xen	3.4.4
Xen	Xen	4.0.0
Xen	Xen	4.0.1
Xen	Xen	4.0.2
Xen	Xen	4.0.3
Xen	Xen	4.0.4
Xen	Xen	4.1.0
Xen	Xen	4.1.1
Xen	Xen	4.1.2
Xen	Xen	4.1.3
Xen	Xen	4.1.4
Xen	Xen	4.1.5
Xen	Xen	4.1.6.1
Xen	Xen	4.2.0
Xen	Xen	4.2.1
Xen	Xen	4.2.2
Xen	Xen	4.2.3
Xen	Xen	4.3.0
Xen	Xen	4.3.1
Xen	Xen	4.4.0
Opensuse	Opensuse	13.1
Opensuse	Opensuse	13.2

References

http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00005.htmlThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00010.htmlThird Party Advisory
http://secunia.com/advisories/59937Permissions Required, Third Party Advisory
http://secunia.com/advisories/62672Permissions Required, Third Party Advisory
http://support.citrix.com/article/CTX200288
http://support.citrix.com/article/CTX201794Third Party Advisory
http://www.debian.org/security/2015/dsa-3140Third Party Advisory
http://www.securityfocus.com/bid/71332Third Party Advisory, VDB Entry
http://xenbits.xen.org/xsa/advisory-111.htmlPatch, Vendor Advisory
https://security.gentoo.org/glsa/201504-04Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00005.htmlThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00010.htmlThird Party Advisory
http://secunia.com/advisories/59937Permissions Required, Third Party Advisory
http://secunia.com/advisories/62672Permissions Required, Third Party Advisory
http://support.citrix.com/article/CTX200288
http://support.citrix.com/article/CTX201794Third Party Advisory
http://www.debian.org/security/2015/dsa-3140Third Party Advisory
http://www.securityfocus.com/bid/71332Third Party Advisory, VDB Entry
http://xenbits.xen.org/xsa/advisory-111.htmlPatch, Vendor Advisory
https://security.gentoo.org/glsa/201504-04Third Party Advisory

Timeline

Published: Dec 1, 2014
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2014-8866?

How severe is CVE-2014-8866?

Severity scoring for CVE-2014-8866 is pending analysis. The EPSS model estimates a 0.43% probability of exploitation in the next 30 days.

How do I fix CVE-2014-8866?

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-2014-8866?

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

Scan your code now

Source: NVD / NIST