SUSE-SU-2021:2925-1

This update for xen fixes the following issues:

Security issues fixed:

• CVE-2021-28693: xen/arm: Boot modules are not scrubbed (bsc#1186428)

• CVE-2021-28692: xen: inappropriate x86 IOMMU timeout detection / handling (bsc#1186429)

• CVE-2021-0089: xen: Speculative Code Store Bypass (bsc#1186433)

• CVE-2021-28690: xen: x86: TSX Async Abort protections not restored after S3 (bsc#1186434)

• CVE-2021-28694,CVE-2021-28695,CVE-2021-28696: IOMMU page mapping issues on x86 (XSA-378)(bsc#1189373).

• CVE-2021-28697: grant table v2 status pages may remain accessible after de-allocation (XSA-379)(bsc#1189376).

• CVE-2021-28698: long running loops in grant table handling (XSA-380)(bsc#1189378).

• CVE-2021-28699: inadequate grant-v2 status frames array bounds check (XSA-382)(bsc#1189380).

• CVE-2021-28700: No memory limit for dom0less domUs (XSA-383)(bsc#1189381).

Other issues fixed:

• Fixed 'Panic on CPU 0: IO-APIC + timer doesn't work!' (bsc#1180491)
• Upstream bug fixes (bsc#1027519)
• Dom0 hangs when pinning CPUs for dom0 with HVM guest (bsc#1179246).
• Fixed Xen SLES11SP4 guest hangs on cluster (bsc#1188050).
• Fixed PVHVM SLES12 SP5 - NMI Watchdog CPU Stuck (bsc#1180846).
• Core cannot be opened when using xl dump-core of VM with PTF (bsc#1183243).
• Prevent superpage allocation in the LAPIC and ACPI_INFO range (bsc#1189882).