xen 4.4.0-0ubuntu6 source package in Ubuntu

Changelog

xen (4.4.0-0ubuntu6) utopic; urgency=low

  * Applying Xen Security Advisories:
    - CVE-2014-2599 / XSA-89
      * x86: enforce preemption in HVM_set_mem_access / p2m_set_mem_access()
    - CVE-2014-3125 / XSA-91
      * xen/arm: Correctly save/restore CNTKCTL_EL1
    - CVE-2014-3124 / XSA-92
      * x86/HVM: restrict HVMOP_set_mem_type
    - CVE-2014-2915 / XSA-93
      * xen/arm: Inject an undefined instruction when the coproc/sysreg
                 is not handled
      * xen/arm: Don't let the guest access the coprocessors registers
      * xen/arm: Upgrade DCISW into DCCISW
      * xen/arm: Trap cache and TCM lockdown registers
      * xen/arm: Don't expose implementation defined registers (Cp15 c15)
                 to the guest
      * xen/arm: Don't let guess access to Debug and Performance Monitor
                 registers
    - CVE-2014-2986 / XSA-94
      * xen/arm: vgic: Check rank in GICD_ICFGR* emulation before locking
    - CVE-2014-3714, CVE-2014-3715,  CVE-2014-3716, CVE-2014-3717 / XSA-95
      * tools: arm: remove code to check for a DTB appended to the kernel
    - CVE-2014-3967,CVE-2014-3968 / XSA-96
      * x86/HVM: eliminate vulnerabilities from hvm_inject_msi()
    - CVE-2014-3969 / XSA-98
      * xen: arm: check permissions when copying to/from guest virtual
                  addresses
      * xen: arm: ensure we hold a reference to guest pages while we copy
                  to/from them
    - CVE-2014-4021 / XSA-100
      * AMD IOMMU: don't free page table prematurely
      * page-alloc: scrub pages used by hypervisor upon freeing
    - CVE-2014-4022 / XSA-101
      * xen: arm: initialise the grant_table_gpfn array on allocation
 -- Stefan Bader <email address hidden>   Mon, 23 Jun 2014 15:40:16 +0200