CVE-2011-2212

Buffer overflow in the virtio subsystem in qemu-kvm 0.14.0 and earlier allows privileged guest...

7.4 High

Buffer overflow in the virtio subsystem in qemu-kvm 0.14.0 and earlier allows privileged guest users to cause a denial of service (guest crash) or gain privileges via a crafted indirect descriptor related to "virtqueue in and out requests."

Exploit likelihood

0.70%Down 0.8 points since Feb 4, 2022

What each source reports

NVD Score used 7.4

Record: CVE-2011-2212
CVSS 2.0: 7.4 HighAV:A/AC:M/Au:S/C:C/I:C/A:C
Weakness: CWE-119
Updated: 2026-11-02

CVE List No score

Record: CVE-2011-2212
Updated: 2026-11-02

EUVDEUVD-2011-2201 No score

Record: EUVD-2011-2201
Updated: 2026-11-03

GitHub AdvisoriesGHSA-f8fv-ww7g-87qv No score

Buffer overflow in the virtio subsystem in qemu-kvm 0.14.0 and earlier allows privileged guest...

Record: GHSA-f8fv-ww7g-87qv
Weakness: CWE-119
Updated: 2026-11-02

OSVSUSE-SU-2015:0929-1 No score

Security update for kvm

The kvm qemu vt100 emulation was affected by a problem where specific vt100 sequences could have been used by guest users to affect the host. (CVE-2012-3515 aka XSA-17).

Also a temp file race was fixed. (CVE-2012-2652)

Security Issue reference:

* CVE-2012-3515
  <http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-3515>
* CVE-2012-2652
  <http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-2652>

Record: SUSE-SU-2015:0929-1
Updated: 2026-11-02

Affected products

qemu

Affected packages

Affected packages
Package	Affected	Fixed
`qemu-kvm` Debian:6.0 From an advisory covering 2 CVEs	before 0.12.5+dfsg-5+squeeze6, plus listed versions 0.12.5+dfsg-50.12.5+dfsg-5+squeeze10.12.5+dfsg-5+squeeze20.12.5+dfsg-5+squeeze30.12.5+dfsg-5+squeeze40.12.5+dfsg-5+squeeze4~bpo50+10.12.5+dfsg-5+squeeze5	0.12.5+dfsg-5+squeeze6
`qemu-img` Red Hat:enterprise_linux:6::server From an advisory covering 2 CVEs	before 2:0.12.1.2-2.160.el6_1.2	2:0.12.1.2-2.160.el6_1.2
`qemu-kvm` Red Hat:enterprise_linux:6::server From an advisory covering 2 CVEs	before 2:0.12.1.2-2.160.el6_1.2	2:0.12.1.2-2.160.el6_1.2
`qemu-kvm-debuginfo` Red Hat:enterprise_linux:6::server From an advisory covering 2 CVEs	before 2:0.12.1.2-2.160.el6_1.2	2:0.12.1.2-2.160.el6_1.2
`qemu-kvm-tools` Red Hat:enterprise_linux:6::server From an advisory covering 2 CVEs	before 2:0.12.1.2-2.160.el6_1.2	2:0.12.1.2-2.160.el6_1.2

History

History
Recorded	Changed	Sources
Nov 6, 2026	affected, facts
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2011-2212 is a high vulnerability (CVSS 7.4) in Qemu, published July 25, 2011. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.70%, the 53rd percentile. No source names a fixed version.

References

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