CVE-2011-2519

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Summary

CVECVE-2011-2519
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2013-12-27 01:55:05 UTC
Updated2026-04-29 01:13:23 UTC
DescriptionXen in the Linux kernel, when running a guest on a host without hardware assisted paging (HAP), allows guest users to cause a denial of service (invalid pointer dereference and hypervisor crash) via the SAHF instruction.

Risk And Classification

Primary CVSS: v2.0 5.5 from [email protected]

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

EPSS: 0.001370000 probability, percentile 0.331850000 (date 2026-04-30)

Problem Types: CWE-476 | n/a

CVSS v2.0 Breakdown

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

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Redhat Enterprise Linux Desktop 5.0 All All All
Operating System Redhat Enterprise Linux Server 5.0 All All All
Operating System Redhat Enterprise Linux Workstation 5.0 All All All
Operating System Xen Xen All All All All

Vendor Declared Affected Products

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

References

ReferenceSourceLinkTags
oss-security - kernel: CVE-2011-2482/2519 af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Mailing List, Third Party Advisory
718882 – (CVE-2011-2519) CVE-2011-2519 kernel: xen: x86_emulate: fix SAHF emulation af854a3a-2127-422b-91ae-364da2661108 bugzilla.redhat.com Issue Tracking, Third Party Advisory
access.redhat.com af854a3a-2127-422b-91ae-364da2661108 rhn.redhat.com Third Party Advisory
xen-3.1-testing.hg: 3290b4b5ecb4 af854a3a-2127-422b-91ae-364da2661108 xenbits.xen.org Patch, Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 900257 CBL-Mariner Linux Security Update for kernel 5.4.72
  • 903660 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (3479)
  • 905985 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (3479-1)

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