Re: CVE-2020-13754 QEMU: msix: OOB access during mmio operations may lead to DoS

                							

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Re: CVE-2020-13754 QEMU: msix: OOB access during mmio operations may lead to DoS

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From: P J P &lt;ppandit () redhat com&gt;

Date: Mon, 15 Jun 2020 23:27:50 +0530 (IST)

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+-- On Mon, 1 Jun 2020, P J P wrote --+
| An OOB access issue was found in the Message Signalled Interrupt (MSI-X) 
| device support of QEMU. It could occur while performing MSI-X mmio 
| operations when a guest sent address goes beyond the mmio region. A guest 
| user/process may use this flaw to crash the QEMU process resulting in DoS 
| scenario.

Revised upstream patch:
  -&gt; https://lists.gnu.org/archive/html/qemu-devel/2020-06/msg03732.html

Thank you.
--
Prasad J Pandit / Red Hat Product Security Team
8685 545E B54C 486B C6EB 271E E285 8B5A F050 DE8D

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CVE-2020-13754 QEMU: msix: OOB access during mmio operations may lead to DoS P J P (Jun 01)

Re: CVE-2020-13754 QEMU: msix: OOB access during mmio operations may lead to DoS P J P (Jun 15)

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