CVE-2011-2511

mediumpriority · track · 17EPSS 0.035 · 89 %ileEURUUS
grimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
3.54% (89th) EPSS
CVSS 4 · medium
Is it mine?
85 products
Check your exposure
Who says so?
5 sources
cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-27

Integer overflow in libvirt before 0.9.3 allows remote authenticated users to cause a denial of service (libvirtd crash) and possibly execute arbitrary code via a crafted VirDomainGetVcpus RPC call that triggers memory corruption.

01

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

  • Fixedlibvirt-0:0.8.2-22.el5.i386 as a component of Red Hat Enterprise Linux Desktop Multi OS (v. 5 client)redhat_csaf

    Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259

    https://access.redhat.com/errata/RHSA-2011:1019
  • Fixedlibvirt-0:0.8.2-22.el5.i386 as a component of Red Hat Enterprise Linux Virtualization (v. 5 server)redhat_csaf

    Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259

    https://access.redhat.com/errata/RHSA-2011:1019
  • Fixedlibvirt-0:0.8.2-22.el5.ia64 as a component of Red Hat Enterprise Linux Virtualization (v. 5 server)redhat_csaf

    Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259

    https://access.redhat.com/errata/RHSA-2011:1019
  • Fixedlibvirt-0:0.8.2-22.el5.src as a component of Red Hat Enterprise Linux Desktop Multi OS (v. 5 client)redhat_csaf

    Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259

    https://access.redhat.com/errata/RHSA-2011:1019
  • Fixedlibvirt-0:0.8.2-22.el5.src as a component of Red Hat Enterprise Linux Virtualization (v. 5 server)redhat_csaf

    Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259

    https://access.redhat.com/errata/RHSA-2011:1019
  • Fixedlibvirt-0:0.8.2-22.el5.x86_64 as a component of Red Hat Enterprise Linux Desktop Multi OS (v. 5 client)redhat_csaf

    Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259

    https://access.redhat.com/errata/RHSA-2011:1019
  • Fixedlibvirt-0:0.8.2-22.el5.x86_64 as a component of Red Hat Enterprise Linux Virtualization (v. 5 server)redhat_csaf

    Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259

    https://access.redhat.com/errata/RHSA-2011:1019
  • Fixedlibvirt-debuginfo-0:0.8.2-22.el5.i386 as a component of Red Hat Enterprise Linux Desktop Multi OS (v. 5 client)redhat_csaf

    Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259

    https://access.redhat.com/errata/RHSA-2011:1019
  • Fixedlibvirt-debuginfo-0:0.8.2-22.el5.i386 as a component of Red Hat Enterprise Linux Virtualization (v. 5 server)redhat_csaf

    Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259

    https://access.redhat.com/errata/RHSA-2011:1019
  • Fixedlibvirt-debuginfo-0:0.8.2-22.el5.ia64 as a component of Red Hat Enterprise Linux Virtualization (v. 5 server)redhat_csaf

    Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259

    https://access.redhat.com/errata/RHSA-2011:1019
  • Fixedlibvirt-debuginfo-0:0.8.2-22.el5.x86_64 as a component of Red Hat Enterprise Linux Desktop Multi OS (v. 5 client)redhat_csaf

    Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259

    https://access.redhat.com/errata/RHSA-2011:1019
  • Fixedlibvirt-debuginfo-0:0.8.2-22.el5.x86_64 as a component of Red Hat Enterprise Linux Virtualization (v. 5 server)redhat_csaf

    Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259

    https://access.redhat.com/errata/RHSA-2011:1019
  • Fixedlibvirt-devel-0:0.8.2-22.el5.i386 as a component of Red Hat Enterprise Linux Desktop Multi OS (v. 5 client)redhat_csaf

    Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259

    https://access.redhat.com/errata/RHSA-2011:1019
  • Fixedlibvirt-devel-0:0.8.2-22.el5.i386 as a component of Red Hat Enterprise Linux Virtualization (v. 5 server)redhat_csaf

    Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259

    https://access.redhat.com/errata/RHSA-2011:1019
  • Fixedlibvirt-devel-0:0.8.2-22.el5.ia64 as a component of Red Hat Enterprise Linux Virtualization (v. 5 server)redhat_csaf

    Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259

    https://access.redhat.com/errata/RHSA-2011:1019
  • Fixedlibvirt-devel-0:0.8.2-22.el5.x86_64 as a component of Red Hat Enterprise Linux Desktop Multi OS (v. 5 client)redhat_csaf

    Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259

    https://access.redhat.com/errata/RHSA-2011:1019
  • Fixedlibvirt-devel-0:0.8.2-22.el5.x86_64 as a component of Red Hat Enterprise Linux Virtualization (v. 5 server)redhat_csaf

    Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259

    https://access.redhat.com/errata/RHSA-2011:1019
  • Fixedlibvirt-python-0:0.8.2-22.el5.i386 as a component of Red Hat Enterprise Linux Desktop Multi OS (v. 5 client)redhat_csaf

    Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259

    https://access.redhat.com/errata/RHSA-2011:1019
  • Fixedlibvirt-python-0:0.8.2-22.el5.i386 as a component of Red Hat Enterprise Linux Virtualization (v. 5 server)redhat_csaf

    Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259

    https://access.redhat.com/errata/RHSA-2011:1019
  • Fixedlibvirt-python-0:0.8.2-22.el5.ia64 as a component of Red Hat Enterprise Linux Virtualization (v. 5 server)redhat_csaf

    Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259

    https://access.redhat.com/errata/RHSA-2011:1019
  • Fixedlibvirt-python-0:0.8.2-22.el5.x86_64 as a component of Red Hat Enterprise Linux Desktop Multi OS (v. 5 client)redhat_csaf

    Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259

    https://access.redhat.com/errata/RHSA-2011:1019
  • Fixedlibvirt-python-0:0.8.2-22.el5.x86_64 as a component of Red Hat Enterprise Linux Virtualization (v. 5 server)redhat_csaf

    Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259

    https://access.redhat.com/errata/RHSA-2011:1019
  • Fixedlibvirt-0:0.8.7-18.el6_1.1.i686 as a component of Red Hat Enterprise Linux Server (v. 6)redhat_csaf

    Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259

    https://access.redhat.com/errata/RHSA-2011:1197
  • Fixedlibvirt-0:0.8.7-18.el6_1.1.ppc64 as a component of Red Hat Enterprise Linux Server (v. 6)redhat_csaf

    Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259

    https://access.redhat.com/errata/RHSA-2011:1197
  • Fixedlibvirt-0:0.8.7-18.el6_1.1.s390x as a component of Red Hat Enterprise Linux Server (v. 6)redhat_csaf

    Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259

    https://access.redhat.com/errata/RHSA-2011:1197
  • Fixedlibvirt-0:0.8.7-18.el6_1.1.src as a component of Red Hat Enterprise Linux Server (v. 6)redhat_csaf

    Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259

    https://access.redhat.com/errata/RHSA-2011:1197
  • Fixedlibvirt-0:0.8.7-18.el6_1.1.x86_64 as a component of Red Hat Enterprise Linux Server (v. 6)redhat_csaf

    Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259

    https://access.redhat.com/errata/RHSA-2011:1197
  • Fixedlibvirt-client-0:0.8.7-18.el6_1.1.i686 as a component of Red Hat Enterprise Linux Server (v. 6)redhat_csaf

    Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259

    https://access.redhat.com/errata/RHSA-2011:1197
  • Fixedlibvirt-client-0:0.8.7-18.el6_1.1.ppc as a component of Red Hat Enterprise Linux Server (v. 6)redhat_csaf

    Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259

    https://access.redhat.com/errata/RHSA-2011:1197
  • Fixedlibvirt-client-0:0.8.7-18.el6_1.1.ppc64 as a component of Red Hat Enterprise Linux Server (v. 6)redhat_csaf

    Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259

    https://access.redhat.com/errata/RHSA-2011:1197
  • Fixedlibvirt-client-0:0.8.7-18.el6_1.1.s390 as a component of Red Hat Enterprise Linux Server (v. 6)redhat_csaf

    Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259

    https://access.redhat.com/errata/RHSA-2011:1197
  • Fixedlibvirt-client-0:0.8.7-18.el6_1.1.s390x as a component of Red Hat Enterprise Linux Server (v. 6)redhat_csaf

    Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259

    https://access.redhat.com/errata/RHSA-2011:1197
  • Fixedlibvirt-client-0:0.8.7-18.el6_1.1.x86_64 as a component of Red Hat Enterprise Linux Server (v. 6)redhat_csaf

    Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259

    https://access.redhat.com/errata/RHSA-2011:1197
  • Fixedlibvirt-debuginfo-0:0.8.7-18.el6_1.1.i686 as a component of Red Hat Enterprise Linux Server (v. 6)redhat_csaf

    Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259

    https://access.redhat.com/errata/RHSA-2011:1197
  • Fixedlibvirt-debuginfo-0:0.8.7-18.el6_1.1.ppc as a component of Red Hat Enterprise Linux Server (v. 6)redhat_csaf

    Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259

    https://access.redhat.com/errata/RHSA-2011:1197
  • Fixedlibvirt-debuginfo-0:0.8.7-18.el6_1.1.ppc64 as a component of Red Hat Enterprise Linux Server (v. 6)redhat_csaf

    Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259

    https://access.redhat.com/errata/RHSA-2011:1197
  • Fixedlibvirt-debuginfo-0:0.8.7-18.el6_1.1.s390 as a component of Red Hat Enterprise Linux Server (v. 6)redhat_csaf

    Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259

    https://access.redhat.com/errata/RHSA-2011:1197
  • Fixedlibvirt-debuginfo-0:0.8.7-18.el6_1.1.s390x as a component of Red Hat Enterprise Linux Server (v. 6)redhat_csaf

    Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259

    https://access.redhat.com/errata/RHSA-2011:1197
  • Fixedlibvirt-debuginfo-0:0.8.7-18.el6_1.1.x86_64 as a component of Red Hat Enterprise Linux Server (v. 6)redhat_csaf

    Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259

    https://access.redhat.com/errata/RHSA-2011:1197
  • Fixedlibvirt-devel-0:0.8.7-18.el6_1.1.i686 as a component of Red Hat Enterprise Linux Server (v. 6)redhat_csaf

    Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259

    https://access.redhat.com/errata/RHSA-2011:1197
  • Fixedlibvirt-devel-0:0.8.7-18.el6_1.1.ppc as a component of Red Hat Enterprise Linux Server (v. 6)redhat_csaf

    Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259

    https://access.redhat.com/errata/RHSA-2011:1197
  • Fixedlibvirt-devel-0:0.8.7-18.el6_1.1.ppc64 as a component of Red Hat Enterprise Linux Server (v. 6)redhat_csaf

    Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259

    https://access.redhat.com/errata/RHSA-2011:1197
  • Fixedlibvirt-devel-0:0.8.7-18.el6_1.1.s390 as a component of Red Hat Enterprise Linux Server (v. 6)redhat_csaf

    Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259

    https://access.redhat.com/errata/RHSA-2011:1197
  • Fixedlibvirt-devel-0:0.8.7-18.el6_1.1.s390x as a component of Red Hat Enterprise Linux Server (v. 6)redhat_csaf

    Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259

    https://access.redhat.com/errata/RHSA-2011:1197
  • Fixedlibvirt-devel-0:0.8.7-18.el6_1.1.x86_64 as a component of Red Hat Enterprise Linux Server (v. 6)redhat_csaf

    Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259

    https://access.redhat.com/errata/RHSA-2011:1197
  • Fixedlibvirt-python-0:0.8.7-18.el6_1.1.i686 as a component of Red Hat Enterprise Linux Server (v. 6)redhat_csaf

    Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259

    https://access.redhat.com/errata/RHSA-2011:1197
  • Fixedlibvirt-python-0:0.8.7-18.el6_1.1.ppc64 as a component of Red Hat Enterprise Linux Server (v. 6)redhat_csaf

    Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259

    https://access.redhat.com/errata/RHSA-2011:1197
  • Fixedlibvirt-python-0:0.8.7-18.el6_1.1.s390x as a component of Red Hat Enterprise Linux Server (v. 6)redhat_csaf

    Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259

    https://access.redhat.com/errata/RHSA-2011:1197
  • Fixedlibvirt-python-0:0.8.7-18.el6_1.1.x86_64 as a component of Red Hat Enterprise Linux Server (v. 6)redhat_csaf

    Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259

    https://access.redhat.com/errata/RHSA-2011:1197
02

cvss

Technical severity, 0–10. One row per scoring source.

4.0
010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 3.3–4

v2.04mediumAV:N/AC:L/Au:S/C:N/I:N/A:Pprimary · NVD / NIST USexploitability 8 · impact 2.9
v2.04mediumAV:N/AC:L/Au:S/C:N/I:N/A:Psecondary · FSTEC (BDU) RU
v2.03.4lowAV:N/AC:L/Au:S/C:N/I:N/A:P/E:Usecondary · CVSS-BT (t0sche)
v2.03.3lowAV:A/AC:L/Au:N/C:N/I:N/A:Psecondary · Red Hat Product Security US
03

weaknesses

The CWE weakness classes this flaw belongs to.

04

affected products (85)

Products and version ranges known to be affected.

showing 20 of 85
05

advisories (2)

Vendor and ecosystem advisories describing this.

  • RHSA-2011:1019Red Hat Security Advisory: libvirt security, bug fix, and enhancement update2011-07-21csaf · redhat_csafUS

    Updated libvirt packages that fix one security issue, several bugs and add various enhancements are now available for Red Hat Enterprise Linux 5. The Red Hat Security Response Team has rated this update as having moderate security impact. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available from the CVE link in the References section.

  • RHSA-2011:1197Red Hat Security Advisory: libvirt security and bug fix update2011-08-23csaf · redhat_csafUS

    Updated libvirt packages that fix one security issue and several bugs are now available for Red Hat Enterprise Linux 6. The Red Hat Security Response Team has rated this update as having moderate security impact. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available from the CVE link in the References section.

06

also known as (9)

Other names and identifiers for this entity.

07

sources

Which sources assert this record, and when.

09

references (49)

External citations — patches, advisories, analysis.

scry

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