CVE-2013-4356

Severity: medium (CVSS 5.4 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2013-10-09 · updated 2026-06-16
Weakness: CWE-264

Description

Xen 4.3.x writes hypervisor mappings to certain shadow pagetables when live migration is performed on hosts with more than 5TB of RAM, which allows local 64-bit PV guests to read or write to invalid memory and cause a denial of service (crash).

Affected products

xen: 4.3.0

References

http://secunia.com/advisories/54962
http://security.gentoo.org/glsa/glsa-201407-03.xml
http://www.openwall.com/lists/oss-security/2013/09/30/2
http://www.securityfocus.com/bid/62709
http://secunia.com/advisories/54962
http://security.gentoo.org/glsa/glsa-201407-03.xml
http://www.openwall.com/lists/oss-security/2013/09/30/2
http://www.securityfocus.com/bid/62709

Get alerted when CVE-2013-4356 or the next vulnerability affects your stack