Vulnerability Monitor

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CVE-2015-2044

The emulation routines for unspecified X86 devices in Xen 3.2.x through 4.5.x does not properly initialize data, which allow local HVM guest users to obtain sensitive information via vectors involving an unsupported access size.

Security Impact Summary

CVE-2015-2044 is a security vulnerability that . Impacting 1 product from xen organizations running these solutions should prioritize assessment and patching.

Historical Context

First disclosed in 2015, this vulnerability was reported during a period defined by widespread IoT adoption challenges, mobile security concerns, and the emergence of advanced persistent threat (APT) techniques. Contemporary mitigation strategies focused on secure development practices and third-party component vetting.

Published

2015-03-12T14:59:00.073

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 2.1 (LOW)

CVSSv2 Vector

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

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

Exploitability Score

3.9

Impact Score

2.9

Weaknesses

Type: Primary
CWE-200

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
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	3.3.0	Yes
Operating System	xen	xen	3.3.1	Yes
Operating System	xen	xen	3.3.2	Yes
Operating System	xen	xen	3.4.0	Yes
Operating System	xen	xen	3.4.1	Yes
Operating System	xen	xen	3.4.2	Yes
Operating System	xen	xen	3.4.3	Yes
Operating System	xen	xen	3.4.4	Yes
Operating System	xen	xen	4.0.0	Yes
Operating System	xen	xen	4.0.1	Yes
Operating System	xen	xen	4.0.2	Yes
Operating System	xen	xen	4.0.3	Yes
Operating System	xen	xen	4.0.4	Yes
Operating System	xen	xen	4.1.0	Yes
Operating System	xen	xen	4.1.1	Yes
Operating System	xen	xen	4.1.2	Yes
Operating System	xen	xen	4.1.3	Yes
Operating System	xen	xen	4.1.4	Yes
Operating System	xen	xen	4.1.5	Yes
Operating System	xen	xen	4.1.6.1	Yes
Operating System	xen	xen	4.2.0	Yes
Operating System	xen	xen	4.2.1	Yes
Operating System	xen	xen	4.2.2	Yes
Operating System	xen	xen	4.2.3	Yes
Operating System	xen	xen	4.3.0	Yes
Operating System	xen	xen	4.3.1	Yes
Operating System	xen	xen	4.4.0	Yes
Operating System	xen	xen	4.4.0	Yes
Operating System	xen	xen	4.4.1	Yes
Operating System	xen	xen	4.5.0	Yes

References

http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152483.html ([email protected])
http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152588.html ([email protected])
http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152776.html ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00014.html ([email protected])
http://support.citrix.com/article/CTX200484 ([email protected])
http://www.debian.org/security/2015/dsa-3181 ([email protected])
http://www.securityfocus.com/bid/72954 ([email protected])
http://www.securitytracker.com/id/1031806 ([email protected])
http://www.securitytracker.com/id/1031836 ([email protected])
http://www1.huawei.com/en/security/psirt/security-bulletins/security-advisories/hw-423503.htm ([email protected])
http://xenbits.xen.org/xsa/advisory-121.html ([email protected])
https://security.gentoo.org/glsa/201504-04 ([email protected])
http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152483.html (af854a3a-2127-422b-91ae-364da2661108)
http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152588.html (af854a3a-2127-422b-91ae-364da2661108)
http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152776.html (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00014.html (af854a3a-2127-422b-91ae-364da2661108)
http://support.citrix.com/article/CTX200484 (af854a3a-2127-422b-91ae-364da2661108)
http://www.debian.org/security/2015/dsa-3181 (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/72954 (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id/1031806 (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id/1031836 (af854a3a-2127-422b-91ae-364da2661108)
http://www1.huawei.com/en/security/psirt/security-bulletins/security-advisories/hw-423503.htm (af854a3a-2127-422b-91ae-364da2661108)
http://xenbits.xen.org/xsa/advisory-121.html (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 xen'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.