CVE-2013-4536
qemu: virtio: insufficient validation of num_sg when mapping
Severity
ModerateRed Hat Product Security
CVSS 2.0
Review impact separately from score.
Published · December 3, 2013
Updated · June 27, 2026
Description
An user able to alter the savevm data (either on the disk or over the wire during migration) could use this flaw to to corrupt QEMU process memory on the (destination) host, which could potentially result in arbitrary code execution on the host with the privileges of the QEMU process.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 2.0 · 3.7AV:L/AC:H/Au:N/C:P/I:P/A:P
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer