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CVE-2011-2212

23
FAUCET Score

CVE-2011-2212 describes a buffer overflow in the virtio subsystem of qemu-kvm versions 0.14.0 and earlier. This vulnerability allows privileged guest users to trigger a denial of service (guest crash) or escalate privileges through crafted indirect descriptors related to virtqueue requests. With a CVSS score of 7.4, it presents a high severity risk, requiring authenticated access and medium attack complexity, but potentially leading to complete compromise of confidentiality, integrity, and availability. Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 0.14.0CPE matchmatch criteria
cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*
0.1.0CPE matchmatch criteria
cpe:2.3:a:qemu:qemu:0.1.0:*:*:*:*:*:*:*
0.1.1CPE matchmatch criteria
cpe:2.3:a:qemu:qemu:0.1.1:*:*:*:*:*:*:*
0.1.2CPE matchmatch criteria
cpe:2.3:a:qemu:qemu:0.1.2:*:*:*:*:*:*:*
0.1.3CPE matchmatch criteria
cpe:2.3:a:qemu:qemu:0.1.3:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.4HIGH

AV:A/AC:M/Au:S/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
ADJACENT_NETWORK
Access Complexity
MEDIUM
Authentication
SINGLE
Exploitability Score
4.4
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.71%
Probability of exploitation in next 30 days
EPSS Percentile
49.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0071 is in the 55th percentile among its peer group of 45 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: qemu-kvm-2:0.12.1.2-2.160.el6_1.2
View patch

Vendor Advisories (1)

redhatCVE-2011-2212Important

qemu-kvm: virtqueue: too-large indirect descriptor buffer overflow

Jul 5, 2011

References

lists.opensuse.org / opensuse-security-announce/2011-07/msg00007.html
rhn.redhat.com / errata/RHSA-2011-0919.html
bugzilla.redhat.com / show_bug.cgi
secunia.com / advisories/45158
Vendor Advisory
secunia.com / advisories/45170
Vendor Advisory
secunia.com / advisories/45187
Vendor Advisory
secunia.com / advisories/45188
Vendor Advisory
secunia.com / advisories/45301
Vendor Advisory
secunia.com / advisories/45354
Vendor Advisory
hermes.opensuse.org / messages/9605323
debian.org / security/2011/dsa-2282
ubuntu.com / usn/usn-1165-1
osvdb.org / 74751