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7.2
CVE-2013-4344: QEMU on Xen lets local users gain elevated rights
CVE-2013-4344 · published 13 years ago
Summary
The QEMU virtual machine software, when used with Xen, can overflow a memory buffer if a virtual SCSI controller has more than 256 devices attached. This could let someone with local access on the host computer increase their permission level. Apply the latest security updates from your Linux distribution to fix the problem.
What to do
The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.
Affected software
| Vendor | Product | Affected versions |
|---|---|---|
| qemu | qemu |
<= 1.6.2 cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:* |
| opensuse | opensuse |
12.3 13.1 cpe:2.3:o:opensuse:opensuse:12.3:*:*:*:*:*:*:* |
| redhat | enterprise_linux_desktop |
6.0 cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server |
6.0 cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux_workstation |
6.0 cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* |
| redhat | virtualization |
3.0 cpe:2.3:a:redhat:virtualization:3.0:*:*:*:*:*:*:* |
| canonical | ubuntu_linux |
12.04 12.10 13.10 cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:* |
Original advisory text
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...
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.
References
- http://article.gmane.org/gmane.comp.emulators.qemu/237191 Broken Link
- http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00002.html Mailing List Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00003.html Mailing List Third Party Advisory
- http://osvdb.org/98028 Broken Link
- http://rhn.redhat.com/errata/RHSA-2013-1553.html Third Party Advisory
- http://rhn.redhat.com/errata/RHSA-2013-1754.html Third Party Advisory
- http://www.openwall.com/lists/oss-security/2013/10/02/2 Mailing List Third Party Advisory
- http://www.securityfocus.com/bid/62773 Third Party Advisory VDB Entry
- http://www.ubuntu.com/usn/USN-2092-1 Third Party Advisory
Internet-facing
14 days
Internal
At next upgrade
- Not known to be exploited
- Needs hands-on effort to exploit (estimated)
- Gives an attacker full control (estimated)
Severity
7.2
High
Type
CWE-120Classic Buffer Overflow
Timeline
Published4 Oct 2013
Updated4 Nov 2026
First seen29 Sep 2026
Sources
CVE-2013-4344 · NVD
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