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.
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[Bug 1842363] CVE-2020-13754 QEMU: msix: OOB access during mmio operations may lead to DoS
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