CVE-2015-5239

An integer overflow issue was found in the VNC display driver of the QEMU emulator, which could be used by a privileged guest user to create a denial of service attack. The overflow occurred when processing a CLIENT_CUT_TEXT message with too large a payload size. The integer overflow led to an infinite loop inside the VNC driver, eventually crashing the QEMU process on the host.

This issue affects the versions of kvm and xen packages as shipped with Red Hat Enterprise Linux 5.

This issue affects the versions of the qemu-kvm packages as shipped with Red Hat Enterprise Linux 6 and 7.

This issue affects the Red Hat Enterprise Linux 6 based versions of qemu-kvm-rhev packages as shipped with Red Hat Enterprise Virtualization 3.

This issue affect the Red Hat Enterprise Linux 7 based versions of the qemu-kvm-rhev packages as shipped with Red Hat Enterprise Virtualization 3.

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.