Vulnerability Monitor

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CVE-2014-5149

Certain MMU virtualization operations in Xen 4.2.x through 4.4.x, when using shadow pagetables, are not preemptible, which allows local HVM guest to cause a denial of service (vcpu consumption) by invoking these operations, which process every page assigned to a guest, a different vulnerability than CVE-2014-5146.

Published

2014-08-22T14:55:08.343

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 4.7 (MEDIUM)

CVSSv2 Vector

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

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

Exploitability Score

3.4

Impact Score

6.9

Weaknesses

Type: Primary
CWE-399

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	opensuse	opensuse	13.1	Yes
Operating System	opensuse	opensuse	13.2	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

References

http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136980.html ([email protected])
http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136981.html ([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://www.securityfocus.com/bid/69199 Third Party Advisory, VDB Entry ([email protected])
http://www.securitytracker.com/id/1030723 Third Party Advisory, VDB Entry ([email protected])
http://xenbits.xen.org/xsa/advisory-97.html Patch, Vendor Advisory ([email protected])
https://exchange.xforce.ibmcloud.com/vulnerabilities/95235 ([email protected])
https://security.gentoo.org/glsa/201504-04 ([email protected])
http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136980.html (af854a3a-2127-422b-91ae-364da2661108)
http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136981.html (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://www.securityfocus.com/bid/69199 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id/1030723 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://xenbits.xen.org/xsa/advisory-97.html Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://exchange.xforce.ibmcloud.com/vulnerabilities/95235 (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/201504-04 (af854a3a-2127-422b-91ae-364da2661108)