Debian Security Advisory

DLA-678-1 qemu -- LTS security update

Date Reported:
25 Oct 2016
Affected Packages:
qemu
Vulnerable:
Yes
Security database references:
In Mitre's CVE dictionary: CVE-2016-8576, CVE-2016-8577, CVE-2016-8578, CVE-2016-8669.
More information:

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