CVE-2014-1666

Xen 4.1.5, 4.1.6.1, 4.2.2-4.2.3, 4.3.x - Denial of Service or Privilege Escalation via PHYSDEVOP MSIX Operations

Title source: llm
STIX 2.1

Description

The do_physdev_op function in Xen 4.1.5, 4.1.6.1, 4.2.2 through 4.2.3, and 4.3.x does not properly restrict access to the (1) PHYSDEVOP_prepare_msix and (2) PHYSDEVOP_release_msix operations, which allows local PV guests to cause a denial of service (host or guest malfunction) or possibly gain privileges via unspecified vectors.

References (14)

Core 14
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_osvdb
http://osvdb.org/102536
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/65125
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/90675
Mailing List, Third Party Advisory vendor-advisory x_refsource_fedora
http://lists.fedoraproject.org/pipermail/package-announce/2014-February/127607.html
Vendor Advisory x_refsource_confirm
http://support.citrix.com/article/CTX200288
Third Party Advisory vendor-advisory x_refsource_gentoo
http://security.gentoo.org/glsa/glsa-201407-03.xml
Mailing List, Third Party Advisory vendor-advisory x_refsource_fedora
http://lists.fedoraproject.org/pipermail/package-announce/2014-February/127580.html
Mailing List mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2014/01/24/6
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1029684
Various Sources x_refsource_confirm
http://xenbits.xen.org/xsa/advisory-87.html
Vendor Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/56650
Patch, Vendor Advisory x_refsource_misc
http://xenbits.xen.org/xsa/xsa87-unstable-4.3.patch

Scores

EPSS 0.0325
EPSS Percentile 87.3%

Details

CWE
CWE-264
Status published
Products (6)
xen/xen 4.1.5
xen/xen 4.1.6.1
xen/xen 4.2.2
xen/xen 4.2.3
xen/xen 4.3.0
xen/xen 4.3.1
Published Jan 26, 2014
Tracked Since Feb 18, 2026