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CVE-2011-3346

17
FAUCET Score

CVE-2011-3346 describes a buffer overflow in the SCSI subsystem of QEMU, affecting versions prior to 0.15.2, including its use in Xen. This vulnerability could allow a local guest user with CD-ROM access to trigger a denial of service (guest crash) via a crafted SCSI command, but only if root has misconfigured permissions. The severity is rated as medium (CVSS 4.0), requiring high attack complexity and local access, with the primary impact being a denial of service. There is no known active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 0.15.1CPE matchmatch criteria
cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*
0.15.0CPE matchmatch criteria
cpe:2.3:a:qemu:qemu:0.15.0:rc1:*:*:*:*:*:*
0.15.0CPE matchmatch criteria
cpe:2.3:a:qemu:qemu:0.15.0:rc2:*:*:*:*:*:*
5CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux:5:*:*:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:o:xen:xen:-:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.0MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
Access Vector
LOCAL
Access Complexity
HIGH
Authentication
NONE
Exploitability Score
1.9
Impact Score
6.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.49%
Probability of exploitation in next 30 days
EPSS Percentile
39.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0049 is in the 75th percentile among its peer group of 1,595 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

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

Remediation

Patch Available

Vendor Patches (3)

github_advisorypatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: xen-0:3.0.3-132.el5_7.2
View patch
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux Extended Update Support 5.7Fixed in: xen

Vendor Advisories (1)

redhatCVE-2011-3346Moderate

qemu: local DoS with SCSI CD-ROM

Sep 7, 2011

References

git.qemu.org
bugzilla.redhat.com / show_bug.cgi
github.com / bonzini/qemu/commit/103b40f51e4012b3b0ad20f615562a1806d7f49a
ExploitPatch
github.com / bonzini/qemu/commit/7285477ab11831b1cf56e45878a89170dd06d9b9
ExploitPatch
openwall.com / lists/oss-security/2011/10/20/2
redhat.com / support/errata/RHSA-2011-1401.html