Multiple vulnerabilities have been found in QEMU:
- CVE-2016-8576
Quick Emulator (Qemu) built with the USB xHCI controller emulation support
is vulnerable to an infinite loop issue. It could occur while processing USB
command ring in xhci_ring_fetch.
- CVE-2016-8577
Quick Emulator (Qemu) built with the virtio-9p back-end support is
vulnerable to a memory leakage issue. It could occur while doing a I/O read
operation in v9fs_read() routine.
- CVE-2016-8578
Quick Emulator (Qemu) built with the virtio-9p back-end support is
vulnerable to a null pointer dereference issue. It could occur while doing
an I/O vector unmarshalling operation in v9fs_iov_vunmarshal() routine.
- CVE-2016-8669
Quick Emulator (Qemu) built with the 16550A UART emulation support is
vulnerable to a divide by zero issue. It could occur while updating serial
device parameters in serial_update_parameters.
For Debian 7 Wheezy, these problems have been fixed in version
1.1.2+dfsg-6+deb7u17.
We recommend that you upgrade your qemu packages.
Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: <https://wiki.debian.org/LTS>