Buffer overflow in QEMU - CVE-2013-4344

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Main Vulnerability Database Vulnerabilities #VU42486

Buffer overflow in QEMU - CVE-2013-4344

Published: October 4, 2013 / Updated: December 31, 2025


Vulnerability identifier: #VU42486
CSH Severity: Low
CVSS v4: 7.3 [CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2013-4344
CWE-ID: CWE-119
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a boundary error in the SCSI implementation in QEMU when a SCSI controller has more than 256 attached devices. A local user can gain privileges via a small transfer buffer in a REPORT LUNS command.


Affected software

QEMU
Xen
Ubuntu
qemu-kvm (Ubuntu package)
qemu-system-sparc (Ubuntu package)
qemu-system-arm (Ubuntu package)
qemu-system-mips (Ubuntu package)
qemu-system-misc (Ubuntu package)
qemu-system-ppc (Ubuntu package)
qemu-system-x86 (Ubuntu package)
qemu-system (Ubuntu package)

How to mitigate CVE-2013-4344

Install update from vendor's website.

qemu-kvm (Ubuntu package) - addressed in versions 1.0+noroms-0ubuntu14.13, 1.2.0+noroms-0ubuntu2.12.10.6
qemu-system-sparc (Ubuntu package) - update to 1.5.0+dfsg-3ubuntu5.3
qemu-system-arm (Ubuntu package) - update to 1.5.0+dfsg-3ubuntu5.3
qemu-system-mips (Ubuntu package) - update to 1.5.0+dfsg-3ubuntu5.3
qemu-system-misc (Ubuntu package) - update to 1.5.0+dfsg-3ubuntu5.3
qemu-system-ppc (Ubuntu package) - update to 1.5.0+dfsg-3ubuntu5.3
qemu-system-x86 (Ubuntu package) - update to 1.5.0+dfsg-3ubuntu5.3
qemu-system (Ubuntu package) - update to 1.5.0+dfsg-3ubuntu5.3

External References

Related Security Bulletins