Description: |
This update for xen fixes the following issues:
- CVE-2021-28698: long running loops in grant table handling (XSA-380)(bsc#1189378). - CVE-2021-28692: xen: inappropriate x86 IOMMU timeout detection / handling (bsc#1186429). - CVE-2021-0089: xen: Speculative Code Store Bypass (bsc#1186433). - CVE-2021-28699: inadequate grant-v2 status frames array bounds check (XSA-382)(bsc#1189380). - 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-2021-28690: xen: x86: TSX Async Abort protections not restored after S3 (bsc#1186434).
- Prevent superpage allocation in the LAPIC and ACPI_INFO range (bsc#1189882).
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