Vulnerability Monitor

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CVE-2015-2150

Xen 3.3.x through 4.5.x and the Linux kernel through 3.19.1 do not properly restrict access to PCI command registers, which might allow local guest OS users to cause a denial of service (non-maskable interrupt and host crash) by disabling the (1) memory or (2) I/O decoding for a PCI Express device and then accessing the device, which triggers an Unsupported Request (UR) response.

Security Impact Summary

CVE-2015-2150 is a security vulnerability that . Impacting 3 products from ubuntu, from xen, from linux 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

2015-03-12T14:59:02.633

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

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-264

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	ubuntu	ubuntu	12.04	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
Operating System	linux	linux_kernel	≤ 3.19.1	Yes

References

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=af6fc858a35b90e89ea7a7ee58e66628c55c776b ([email protected])
http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155804.html ([email protected])
http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155854.html ([email protected])
http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155908.html ([email protected])
http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152747.html ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00001.html ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00004.html ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00018.html ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00021.html ([email protected])
http://www.debian.org/security/2015/dsa-3237 ([email protected])
http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html ([email protected])
http://www.securityfocus.com/bid/73014 ([email protected])
http://www.securitytracker.com/id/1031806 ([email protected])
http://www.securitytracker.com/id/1031902 ([email protected])
http://www.ubuntu.com/usn/USN-2631-1 ([email protected])
http://www.ubuntu.com/usn/USN-2632-1 ([email protected])
http://www1.huawei.com/en/security/psirt/security-bulletins/security-advisories/hw-423503.htm ([email protected])
http://xenbits.xen.org/xsa/advisory-120.html Vendor Advisory ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=1196266 ([email protected])
https://github.com/torvalds/linux/commit/af6fc858a35b90e89ea7a7ee58e66628c55c776b ([email protected])
https://seclists.org/bugtraq/2019/Aug/18 ([email protected])
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=af6fc858a35b90e89ea7a7ee58e66628c55c776b (af854a3a-2127-422b-91ae-364da2661108)
http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155804.html (af854a3a-2127-422b-91ae-364da2661108)
http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155854.html (af854a3a-2127-422b-91ae-364da2661108)
http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155908.html (af854a3a-2127-422b-91ae-364da2661108)
http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152747.html (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00001.html (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00004.html (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00018.html (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00021.html (af854a3a-2127-422b-91ae-364da2661108)
http://www.debian.org/security/2015/dsa-3237 (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/73014 (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id/1031806 (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id/1031902 (af854a3a-2127-422b-91ae-364da2661108)
http://www.ubuntu.com/usn/USN-2631-1 (af854a3a-2127-422b-91ae-364da2661108)
http://www.ubuntu.com/usn/USN-2632-1 (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-120.html Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.redhat.com/show_bug.cgi?id=1196266 (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/torvalds/linux/commit/af6fc858a35b90e89ea7a7ee58e66628c55c776b (af854a3a-2127-422b-91ae-364da2661108)
https://seclists.org/bugtraq/2019/Aug/18 (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 ubuntu'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.