Security update for xen
This update for xen fixes the following issues:
- bsc#1177409 - VUL-0: CVE-2020-27673: xen: x86 PV guest INVLPG-like flushes may leave stale TLB entries (XSA-286)
- bsc#1177412 - VUL-0: CVE-2020-27672: xen: Race condition in Xen mapping code (XSA-345)
- bsc#1177413 - VUL-0: CVE-2020-27671: xen: undue deferral of IOMMU TLB flushes (XSA-346)
- bsc#1177414 - VUL-0: CVE-2020-27670: xen: unsafe AMD IOMMU page table updates (XSA-347)
This update was imported from the SUSE:SLE-15-SP1:Update update project.
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Submitted by
Charles Arnold (charlesa)
Fixed bugs
bnc#1177413
VUL-0: EMBARGOED: xen: undue deferral of IOMMU TLB flushes (XSA-346 v1)
bnc#1177412
VUL-0: EMBARGOED: xen: Race condition in Xen mapping code (XSA-345 v1)
bnc#1177409
VUL-0: EMBARGOED: xen: x86 PV guest INVLPG-like flushes may leave stale TLB entries (XSA-286 v3)
bnc#1177414
VUL-0: EMBARGOED: xen: unsafe AMD IOMMU page table updates (XSA-347 v1)
