CVE-2012-4544

Severity: low (CVSS 2.1 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2012-10-31 · updated 2026-06-16
Weakness: CWE-20

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.

Affected products

xen: through 4.2.0; 4.1.0, 4.1.1, 4.1.2, 4.1.3

References

http://lists.fedoraproject.org/pipermail/package-announce/2012-November/091832.html
http://lists.fedoraproject.org/pipermail/package-announce/2012-November/091844.html
http://lists.fedoraproject.org/pipermail/package-announce/2012-November/092050.html
http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00008.html
http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00009.html
http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00017.html
http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00018.html
http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00015.html
http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00021.html
http://lists.opensuse.org/opensuse-security-announce/2014-04/msg00000.html
http://osvdb.org/86619
http://rhn.redhat.com/errata/RHSA-2013-0241.html

Get alerted when CVE-2012-4544 or the next vulnerability affects your stack