Vulnerability Monitor

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CVE-2014-8867

The acceleration support for the "REP MOVS" instruction in Xen 4.4.x, 3.2.x, and earlier lacks properly bounds checking for memory mapped I/O (MMIO) emulated in the hypervisor, which allows local HVM guests to cause a denial of service (host crash) via unspecified vectors.

Security Impact Summary

CVE-2014-8867 is a security vulnerability that . Impacting 5 products from redhat, from redhat, from xen and 2 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Documented in 2014, this vulnerability occurred amid the cloud computing expansion era, where traditional network perimeter security models were being reevaluated. Organizations were transitioning from isolated infrastructure to interconnected systems, creating new attack surfaces that vulnerabilities like this could exploit.

Published

2014-12-01T15:59:09.780

Last Modified

2026-06-17T00:17:27.413

Status

Modified

Source

[email protected]

Severity

CVSSv2: 4.9 (MEDIUM)

CVSSv2 Vector

AV:L/AC:L/Au:N/C:N/I:N/A:C

Access Vector: LOCAL
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: COMPLETE

Exploitability Score

3.9

Impact Score

6.9

Weaknesses

Type: Primary
CWE-17

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	redhat	enterprise_linux	5.0	Yes
Operating System	redhat	enterprise_linux_desktop	5.0	Yes
Operating System	xen	xen	≤ 3.2.0	Yes
Operating System	xen	xen	3.2.1	Yes
Operating System	xen	xen	3.2.2	Yes
Operating System	xen	xen	3.2.3	Yes
Operating System	xen	xen	4.4.0	Yes
Operating System	xen	xen	4.4.1	Yes
Operating System	debian	debian_linux	7.0	Yes
Operating System	opensuse	opensuse	13.1	Yes
Operating System	opensuse	opensuse	13.2	Yes

References

http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705 ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00005.html Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00010.html Third Party Advisory ([email protected])
http://rhn.redhat.com/errata/RHSA-2015-0783.html Third Party Advisory ([email protected])
http://secunia.com/advisories/59949 Permissions Required, Third Party Advisory ([email protected])
http://secunia.com/advisories/62672 Permissions Required, Third Party Advisory ([email protected])
http://support.citrix.com/article/CTX200288 ([email protected])
http://support.citrix.com/article/CTX201794 ([email protected])
http://www.debian.org/security/2015/dsa-3140 Third Party Advisory ([email protected])
http://www.securityfocus.com/bid/71331 Third Party Advisory, VDB Entry ([email protected])
http://xenbits.xenproject.org/xsa/advisory-112.html Patch, Vendor Advisory ([email protected])
https://security.gentoo.org/glsa/201504-04 ([email protected])
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705 (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00005.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00010.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://rhn.redhat.com/errata/RHSA-2015-0783.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/59949 Permissions Required, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/62672 Permissions Required, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://support.citrix.com/article/CTX200288 (af854a3a-2127-422b-91ae-364da2661108)
http://support.citrix.com/article/CTX201794 (af854a3a-2127-422b-91ae-364da2661108)
http://www.debian.org/security/2015/dsa-3140 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/71331 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://xenbits.xenproject.org/xsa/advisory-112.html Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/201504-04 (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For redhat's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.