CVE-2012-4535

Xen 3.4-4.2 - Denial of Service via VCPU Deadline Misconfiguration

Title source: llm
STIX 2.1

Description

Xen 3.4 through 4.2, and possibly earlier versions, allows local guest OS administrators to cause a denial of service (Xen infinite loop and physical CPU consumption) by setting a VCPU with an "inappropriate deadline."

References (23)

Core 23
Core References
Vendor Advisory vendor-advisory x_refsource_redhat
http://rhn.redhat.com/errata/RHSA-2012-1540.html
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/55082
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id?1027759
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/51413
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/51468
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/80022
Vendor Advisory mailing-list x_refsource_mlist
http://lists.xen.org/archives/html/xen-announce/2012-11/msg00001.html
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/51200
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
Third Party Advisory, VDB Entry vdb-entry x_refsource_osvdb
http://osvdb.org/87298
Mailing List mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2012/11/13/1
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
Third Party Advisory vendor-advisory x_refsource_gentoo
https://security.gentoo.org/glsa/201604-03
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/56498

Scores

EPSS 0.0011
EPSS Percentile 28.1%

Details

CWE
CWE-399
Status published
Products (15)
xen/xen 3.4.0
xen/xen 3.4.1
xen/xen 3.4.2
xen/xen 3.4.3
xen/xen 3.4.4
xen/xen 4.0.0
xen/xen 4.0.1
xen/xen 4.0.2
xen/xen 4.0.3
xen/xen 4.0.4
... and 5 more
Published Nov 21, 2012
Tracked Since Feb 18, 2026