This update for qemu fixes the following issues: qemu was updated to v3.1.1.1, a stable, bug-fix-only release, which includes 2 fixes we already carry, as well as one additional use- after-free fix in slirp. Security issues fixed: - CVE-2019-12068: Fixed potential DOS in lsi scsi controller emulation - CVE-2019-11135: Expose taa-no "feature", indicating CPU does not have the TSX Async Abort vulnerability. - CVE-2018-12207: Expose pschange-mc-no "feature", indicating CPU does not have the page size change machine check vulnerability Other issues fixed: - Change how this bug gets fixed - Disable file locking in the Xen PV disk backend to avoid locking issues with PV domUs during migration. The issues triggered by the locking can not be properly handled in libxl. The locking introduced in qemu-2.10 was removed again in qemu-4.0. - Feature support for vfio-ccw dasd ipl - Additional hardware instruction support for s390, also update qemu linux headers to 5.2-rc1