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Test your applicationsUpgrade RHEL:8 virt:rhel/libguestfs-xfs to version 1:1.38.4-15.module+el8.2.0+5297+222a20af or higher.
This issue was patched in RHSA-2020:4059.
Note: Versions mentioned in the description apply only to the upstream virt:rhel/libguestfs-xfs package and not the virt:rhel/libguestfs-xfs package as distributed by RHEL.
See How to fix? for RHEL:8 relevant fixed versions and status.
An out-of-bounds read/write access flaw was found in the USB emulator of the QEMU in versions before 5.2.0. This issue occurs while processing USB packets from a guest when USBDevice 'setup_len' exceeds its 'data_buf[4096]' in the do_token_in, do_token_out routines. This flaw allows a guest user to crash the QEMU process, resulting in a denial of service, or the potential execution of arbitrary code with the privileges of the QEMU process on the host.