An information leak flaw was found in the way QEMU's RTL8139 emulation
implementation processed network packets under RTL8139 controller's C+
mode of operation. An unprivileged guest user could use this flaw to read
up to 65 KB of uninitialized QEMU heap memory. (CVE-2015-5165)
After installing this update, shut down all running virtual machines. Once
all virtual machines have shut down, start them again for this update to
take effect.
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