CVE-2012-4535

Severity: low (CVSS 1.9 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: 2012-11-21 · updated 2026-06-16
Weakness: CWE-399

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."

Affected products

xen: 3.4.0, 3.4.1, 3.4.2, 3.4.3, 3.4.4, 4.0.0 (+9)

References

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/2012-12/msg00001.html
http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00021.html
http://lists.opensuse.org/opensuse-security-announce/2014-04/msg00000.html
http://lists.xen.org/archives/html/xen-announce/2012-11/msg00001.html
http://osvdb.org/87298
http://rhn.redhat.com/errata/RHSA-2012-1540.html
http://secunia.com/advisories/51200
http://secunia.com/advisories/51324

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