openSUSE-SU-2021:2591-1

This update for qemu fixes the following issues:

Security issues fixed:

• CVE-2021-3595: Fixed slirp: invalid pointer initialization may lead to information disclosure (tftp) (bsc#1187366)
• CVE-2021-3592: Fix for slirp: invalid pointer initialization may lead to information disclosure (bootp) (bsc#1187364)
• CVE-2021-3594: Fix for slirp: invalid pointer initialization may lead to information disclosure (udp) (bsc#1187367)
• CVE-2021-3593: Fix for slirp: invalid pointer initialization may lead to information disclosure (udp6) (bsc#1187365)
• CVE-2021-3582: Fix possible mremap overflow in the pvrdma (bsc#1187499)
• CVE-2021-3607: Ensure correct input on ring init (bsc#1187539)
• CVE-2021-3608: Fix the ring init error flow (bsc#1187538)
• CVE-2021-3611: Fix intel-hda segmentation fault due to stack overflow (bsc#1187529)
• CVE-2020-25085: Fix out-of-bounds access issue while doing multi block SDMA (bsc#1176681)

Other issues fixed:

• QEMU BIOS fails to read stage2 loader (on s390x)(bsc#1186290)
• Fix qemu hang while cancelling migrating hugepage vm (bsc#1185591)