Public Date:
1007330: CVE-2013-4344 qemu: buffer overflow in scsi_target_emulate_report_luns

The MITRE CVE dictionary describes this issue as:

Buffer overflow in the SCSI implementation in QEMU, as used in Xen, when a SCSI controller has more than 256 attached devices, allows local users to gain privileges via a small transfer buffer in a REPORT LUNS command.

Find out more about CVE-2013-4344 from the MITRE CVE dictionary dictionary and NIST NVD.


This issue does not affect the kvm and xen packages as shipped with Red Hat Enterprise Linux 5. This issue does affect the qemu-kvm package as shipped with Red Hat Enterprise Linux 6. Future qemu-kvm updates in Red Hat Enterprise Linux 6 may address this flaw.

CVSS v2 metrics

NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.

Base Score 4
Base Metrics AV:A/AC:H/Au:S/C:P/I:P/A:P
Access Vector Adjacent Network
Access Complexity High
Authentication Single
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial

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

Red Hat Security Errata

Platform Errata Release Date
RHEV Agents (vdsm) (qemu-kvm-rhev) RHSA-2013:1754 2013-11-21
Red Hat Enterprise Linux version 6 (qemu-kvm) RHSA-2013:1553 2013-11-20
RHEV Hypervisor for RHEL-6 (rhev-hypervisor6) RHSA-2013:1527 2013-11-21

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 5 xen Not affected
Red Hat Enterprise Linux 5 kvm Not affected
Red Hat Enterprise Linux 7 qemu-kvm Not affected


This issue was discovered by Asias He of Red Hat.