SUSE-SU-2021:1244-1 Security update for qemu

This update for qemu fixes the following issues: - Fix OOB access in sm501 device emulation CVE-2020-12829, bsc1172385 - Fix OOB access possibility in MegaRAID SAS 8708EM2 emulation CVE-2020-13362 bsc1172383 - Fix use-after-free in usb xhci packet handling CVE-2020-25723, bsc1178934 - Fix...