CVE-2011-1780

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Summary

CVECVE-2011-1780
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2014-01-07 19:55:05 UTC
Updated2026-04-29 01:13:23 UTC
DescriptionThe instruction emulation in Xen 3.0.3 allows local SMP guest users to cause a denial of service (host crash) by replacing the instruction that causes the VM to exit in one thread with a different instruction in a different thread.

Risk And Classification

Primary CVSS: v2.0 6.1 from [email protected]

AV:A/AC:L/Au:N/C:N/I:N/A:C

EPSS: 0.002250000 probability, percentile 0.450400000 (date 2026-04-30)

Problem Types: CWE-20 | n/a

CVSS v2.0 Breakdown

Access Vector
Adjacent
Access Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Complete

AV:A/AC:L/Au:N/C:N/I:N/A:C

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Xen Xen 3.0.3 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
Bug 702657 – CVE-2011-1780 kernel: xen: svm: insufficiencies in handling emulated instructions during vm exits af854a3a-2127-422b-91ae-364da2661108 bugzilla.redhat.com
oss-security - CVE-2011-1780, CVE-2011-1936, kernel/xen issues af854a3a-2127-422b-91ae-364da2661108 www.openwall.com
access.redhat.com af854a3a-2127-422b-91ae-364da2661108 rhn.redhat.com
access.redhat.com af854a3a-2127-422b-91ae-364da2661108 rhn.redhat.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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