An integer overflow issue was found in the vmxnet3 NIC emulator of the QEMU. It may occur if a guest was to supply invalid values for rx/tx queue size or other NIC parameters. A privileged guest user may use this flaw to crash the QEMU process on the host resulting in a denial of service scenario.
An integer overflow issue was found in the vmxnet3 NIC emulator of the QEMU. It may occur if a guest was to supply invalid values for rx/tx queue size or other NIC parameters. A privileged guest user may use this flaw to crash the QEMU process on the host resulting in a denial of service scenario.
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2021-20203 https://bugs.launchpad.net/qemu/+bug/1890152 https://bugs.launchpad.net/qemu/+bug/1913873 https://lists.gnu.org/archive/html/qemu-devel/2021-01/msg07935.html
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