CVE Database


Impact: Moderate
Public: 2011-09-07
Bugzilla: 736038: CVE-2011-3346 qemu: local DoS with SCSI CD-ROM


The MITRE CVE dictionary describes this issue as:

Buffer overflow in hw/scsi-disk.c in the SCSI subsystem in QEMU before 0.15.2, as used by Xen, might allow local guest users with permission to access the CD-ROM to cause a denial of service (guest crash) via a crafted SAI READ CAPACITY SCSI command. NOTE: this is only a vulnerability when root has manually modified certain permissions or ACLs.

Find out more about CVE-2011-3346 from the MITRE CVE dictionary and NIST NVD.


This issue only affects qemu as shipped with Red Hat Enterprise Linux 5 xen packages. The versions of the qemu/kvm as shipped with Red Hat Enterprise Linux 5 are not affected.

CVSS v2 metrics

Base Score: 4
Base Metrics: AV:L/AC:H/Au:N/C:N/I:N/A:C
Access Vector: Local
Access Complexity: High
Authentication: None
Confidentiality Impact: None
Integrity Impact: None
Availability Impact: Complete

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat security errata

Platform Errata Release Date
Red Hat Enterprise Linux Virtualization version 5 (xen) RHSA-2011:1401 October 24, 2011
Red Hat Enterprise Linux version 5 (xen) RHSA-2011:1401 October 24, 2011

External References

This page is generated automatically and has not been checked for errors or omissions.

For clarification or corrections please contact the Red Hat Security Response Team.