This update for xen fixes the following issues:
- CVE-2022-26356: Fixed potential race conditions in dirty memory tracking that
could cause a denial of service in the host (bsc#1197423).
- CVE-2022-26357: Fixed a potential race condition in memory cleanup for hosts
using VT-d IOMMU hardware, which could lead to a denial of service in the host
(bsc#1197425).
- CVE-2022-26358,CVE-2022-26359,CVE-2022-26360,CVE-2022-26361: Fixed various memory
corruption issues for hosts using VT-d or AMD-Vi IOMMU hardware. These could be
leveraged by an attacker to cause a denial of service in the host (bsc#1197426).
- CVE-2022-0001, CVE-2022-0002, CVE-2021-26401: Added BHB speculation issue
mitigations (bsc#1196915).