Security update for qemu

Open Source Vulnerabilities SUSE-SU-2021:0521-1

This update for qemu fixes the following issues: - Fixed potential privilege escalation in virtfs (CVE-2021-20181 bsc#1182137) - Fixed out-of-bound access in iscsi (CVE-2020-11947 bsc#1180523) - Fixed out-of-bound access in vmxnet3 emulation (CVE-2021-20203 bsc#1181639) - Fixed out-of-bound access in ARM interrupt handling (CVE-2021-20221 bsc#1181933) - Fixed vfio-pci device on s390 enters error state (bsc#1179717 bsc#1179719) - Fixed 'Failed to try-restart [email protected]' error while updating the qemu-guest-agent. (bsc#1178565) - Apply fixes to qemu scsi passthrough with respect to timeout and error conditions, including using more correct status codes. Add more qemu tracing which helped track down these issues (bsc#1178049)