Description
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.
References (9)
Core 9
Core References
Third Party Advisory vendor-advisory
x_refsource_gentoo
https://security.gentoo.org/glsa/201504-04
Patch, Vendor Advisory x_refsource_confirm
http://xenbits.xen.org/xsa/advisory-97.html
Mailing List, Third Party Advisory vendor-advisory
x_refsource_fedora
http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136980.html
Third Party Advisory, VDB Entry vdb-entry
x_refsource_sectrack
http://www.securitytracker.com/id/1030723
Mailing List, Third Party Advisory vendor-advisory
x_refsource_fedora
http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136981.html
Third Party Advisory vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00005.html
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/69199
Third Party Advisory vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00010.html
Third Party Advisory, VDB Entry vdb-entry
x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/95235
Scores
EPSS
0.0007
EPSS Percentile
21.3%
Details
CWE
CWE-399
Status
published
Products (9)
opensuse/opensuse
13.1
opensuse/opensuse
13.2
xen/xen
4.2.0
xen/xen
4.2.1
xen/xen
4.2.2
xen/xen
4.2.3
xen/xen
4.3.0
xen/xen
4.3.1
xen/xen
4.4.0
Published
Aug 22, 2014
Tracked Since
Feb 18, 2026