REDHAT-BUG-1520782
First published: Tue Dec 05 2017(Updated: )
Virtio Vring implementation in Quick Emulator(QEMU) is vulnerable to an arithmetic exception issue. It could occur if a guest was to unset vring alignment while updating Virtio rings. A guest user/process could use this flaw to crash Qemu process resulting in DoS. Upstream patch: --------------- -> <a href="https://lists.gnu.org/archive/html/qemu-devel/2017-12/msg00166.html">https://lists.gnu.org/archive/html/qemu-devel/2017-12/msg00166.html</a>
| Affected Software | Affected Version | How to fix |
|---|---|---|
| QEMU |
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Reference Links
Frequently Asked Questions
What is the severity of REDHAT-BUG-1520782?
The severity of REDHAT-BUG-1520782 is classified as a Denial of Service (DoS) vulnerability.
How do I fix REDHAT-BUG-1520782?
To fix REDHAT-BUG-1520782, apply the relevant upstream patches provided by QEMU.
What causes REDHAT-BUG-1520782?
REDHAT-BUG-1520782 is caused by an arithmetic exception issue in the Virtio Vring implementation of QEMU when vring alignment is unset.
Who is affected by REDHAT-BUG-1520782?
QEMU users, particularly those utilizing Virtio, are affected by REDHAT-BUG-1520782.
What is the impact of exploiting REDHAT-BUG-1520782?
Exploiting REDHAT-BUG-1520782 can lead to crashing the QEMU process, resulting in a Denial of Service condition.
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