CVE-2016-4439

Medium

Description

The esp_reg_write function in hw/scsi/esp.c in the 53C9X Fast SCSI Controller (FSC) support in QEMU does not properly check command buffer length, which allows local guest OS administrators to cause a denial of service (out-of-bounds write and QEMU process crash) or potentially execute arbitrary code on the QEMU host via unspecified vectors.

SeverityMedium
CVSS6.7
Exploit probability—
ProductQemu
PublishedMay 20, 2016
First seenMay 20, 2016

How to fix

Affected products

ProductAffected versionsFixed in
qemu qemuv ≤ 2.6.0—
canonical ubuntu_linux12.04, 14.04, 16.04—
debian debian_linux8.0—

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