CVE-2012-5515

Xen <= 4.2 - Denial of Service via XENMEM Hypercall Extent Order Value

Title source: llm
STIX 2.1

Description

The (1) XENMEM_decrease_reservation, (2) XENMEM_populate_physmap, and (3) XENMEM_exchange hypercalls in Xen 4.2 and earlier allow local guest administrators to cause a denial of service (long loop and hang) via a crafted extent_order value.

References (23)

Core 23
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/80479
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/55082
Mailing List vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-updates/2013-04/msg00052.html
Vendor Advisory x_refsource_confirm
http://support.citrix.com/article/CTX135777
Third Party Advisory vendor-advisory x_refsource_gentoo
http://security.gentoo.org/glsa/glsa-201309-24.xml
Third Party Advisory vendor-advisory x_refsource_debian
http://www.debian.org/security/2012/dsa-2582
Vendor Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/51397
Vendor Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/51486
Vendor Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/51487
Vendor Advisory mailing-list x_refsource_mlist
http://lists.xen.org/archives/html/xen-announce/2012-12/msg00001.html
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/56798
Third Party Advisory, VDB Entry vdb-entry x_refsource_osvdb
http://www.osvdb.org/88127
Vendor Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/51468
Mailing List vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-updates/2013-04/msg00051.html
Mailing List mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2012/12/03/9
Vendor Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/51495

Scores

EPSS 0.0014
EPSS Percentile 33.7%

Details

Status published
Products (27)
xen/xen 3.0.2
xen/xen 3.0.3
xen/xen 3.0.4
xen/xen 3.1.3
xen/xen 3.1.4
xen/xen 3.2.0
xen/xen 3.2.1
xen/xen 3.2.2
xen/xen 3.2.3
xen/xen 3.3.0
... and 17 more
Published Dec 13, 2012
Tracked Since Feb 18, 2026