CVE-2013-4535
qemu: virtio: insufficient validation of num_sg when mapping
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Severity
ModerateRed Hat Product Security
CVSS 2.0
Review impact separately from score.
Published · December 3, 2013
Updated · June 27, 2026
Description
The virtqueue_map_sg function in hw/virtio/virtio.c in QEMU before 1.7.2 allows remote attackers to execute arbitrary files via a crafted savevm image, related to virtio-block or virtio-serial read.
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