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xen (4.17.2+55-g0b56bed864-1) unstable; urgency=medium

  * Update to new upstream version 4.17.2+55-g0b56bed864, which also contains
    security fixes for the following issues:
    - arm32: The cache may not be properly cleaned/invalidated
      XSA-437 CVE-2023-34321
    - top-level shadow reference dropped too early for 64-bit PV guests
      XSA-438 CVE-2023-34322
    - x86/AMD: Divide speculative information leak
      XSA-439 CVE-2023-20588
    - xenstored: A transaction conflict can crash C Xenstored
      XSA-440 CVE-2023-34323
    - x86/AMD: missing IOMMU TLB flushing
      XSA-442 CVE-2023-34326
    - Multiple vulnerabilities in libfsimage disk handling
      XSA-443 CVE-2023-34325
    - x86/AMD: Debug Mask handling
      XSA-444 CVE-2023-34327 CVE-2023-34328
  * Note that the following XSA are not listed, because...
    - XSA-441 has patches for the Linux kernel.

 -- Hans van Kranenburg <email address hidden>  Thu, 12 Oct 2023 19:25:55 +0200

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