First published: Sat Dec 10 2016(Updated: )
The virtqueue_map_desc function in hw/virtio/virtio.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) via a zero length for the descriptor buffer.
Credit: secalert@redhat.com
Affected Software | Affected Version | How to fix |
---|---|---|
QEMU KVM | <=2.6.2 | |
QEMU KVM | =2.7.0-rc0 |
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CVE-2016-6490 is classified as a high severity vulnerability due to its potential to cause denial of service.
To fix CVE-2016-6490, update QEMU to version 2.7.0-rc1 or later.
CVE-2016-6490 affects local guest OS administrators using QEMU versions up to 2.6.2 and 2.7.0-rc0.
CVE-2016-6490 allows an attacker to cause an infinite loop and crash the QEMU process.
CVE-2016-6490 is considered a local vulnerability, exploitable by guest OS administrators.