Vulnerability Monitor

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CVE-2015-2151

The x86 emulator in Xen 3.2.x through 4.5.x does not properly ignore segment overrides for instructions with register operands, which allows local guest users to obtain sensitive information, cause a denial of service (memory corruption), or possibly execute arbitrary code via unspecified vectors.

Security Impact Summary

CVE-2015-2151 is a security vulnerability that . Impacting 3 products from fedoraproject, from debian, 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

2015-03-12T14:59:03.837

Last Modified

2026-05-06T22:30:45.220

Status

Modified

Source

[email protected]

Severity

CVSSv2: 7.2 (HIGH)

CVSSv2 Vector

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

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

Exploitability Score

3.9

Impact Score

10.0

Weaknesses

Type: Primary
CWE-264

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	fedoraproject	fedora	20	Yes
Operating System	fedoraproject	fedora	21	Yes
Operating System	fedoraproject	fedora	22	Yes
Operating System	debian	debian_linux	7.0	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	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://kb.juniper.net/InfoCenter/index?page=content&id=JSA10761 ([email protected])
http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152483.html Third Party Advisory ([email protected])
http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152588.html Third Party Advisory ([email protected])
http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152776.html Third Party Advisory ([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 Third Party Advisory ([email protected])
http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html ([email protected])
http://www.securityfocus.com/bid/73015 ([email protected])
http://www.securitytracker.com/id/1031806 Third Party Advisory, VDB Entry ([email protected])
http://www.securitytracker.com/id/1031903 Third Party Advisory, VDB Entry ([email protected])
http://www1.huawei.com/en/security/psirt/security-bulletins/security-advisories/hw-423503.htm ([email protected])
http://xenbits.xen.org/xsa/advisory-123.html Patch, Vendor Advisory ([email protected])
https://security.gentoo.org/glsa/201604-03 ([email protected])
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10761 (af854a3a-2127-422b-91ae-364da2661108)
http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152483.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152588.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152776.html Third Party Advisory (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 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/73015 (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id/1031806 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id/1031903 Third Party Advisory, VDB Entry (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-123.html Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/201604-03 (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 fedoraproject'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.