Wind River Support Network


LIN7-6888 : Security Advisory - qemu - CVE-2016-7908

Created: Oct 16, 2016    Updated: Sep 8, 2018
Resolved Date: Oct 31, 2016
Found In Version: 7.0
Fix Version:
Severity: Standard
Applicable for: Wind River Linux 7
Component/s: Userspace


The mcf_fec_do_tx function in hw/net/mcf_fec.c in QEMU (aka Quick Emulator) does not properly limit the buffer descriptor count when transmitting packets, which allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) via vectors involving a buffer descriptor with a length of 0 and crafted values in bd.flags.

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