CVE-2012-4544

Xen < 4.2.0 - Denial of Service via PV Domain Builder Kernel or Ramdisk Size Validation

Title source: llm
STIX 2.1

Description

The PV domain builder in Xen 4.2 and earlier does not validate the size of the kernel or ramdisk (1) before or (2) after decompression, which allows local guest administrators to cause a denial of service (domain 0 memory consumption) via a crafted (a) kernel or (b) ramdisk.

References (21)

Core 21
Core References
Vendor Advisory vendor-advisory x_refsource_redhat
http://rhn.redhat.com/errata/RHSA-2013-0241.html
Vendor Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/51071
Mailing List mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2012/10/26/3
Mailing List, Third Party Advisory vendor-advisory x_refsource_fedora
http://lists.fedoraproject.org/pipermail/package-announce/2012-November/091832.html
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/51413
Mailing List, Third Party Advisory vendor-advisory x_refsource_fedora
http://lists.fedoraproject.org/pipermail/package-announce/2012-November/091844.html
Third Party Advisory vendor-advisory x_refsource_debian
http://www.debian.org/security/2013/dsa-2636
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/79617
Mailing List, Third Party Advisory vendor-advisory x_refsource_fedora
http://lists.fedoraproject.org/pipermail/package-announce/2012-November/092050.html
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/56289
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id?1027699
Third Party Advisory, VDB Entry vdb-entry x_refsource_osvdb
http://osvdb.org/86619
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/51352
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/51324

Scores

EPSS 0.0009
EPSS Percentile 25.3%

Details

CWE
CWE-20
Status published
Products (5)
xen/xen 4.1.0
xen/xen 4.1.1
xen/xen 4.1.2
xen/xen 4.1.3
xen/xen < 4.2.0
Published Oct 31, 2012
Tracked Since Feb 18, 2026