a4d1d9fe03
bnc#828623 - bnc#839596 - VUL-0: CVE-2013-1442: XSA-62: xen: Information leak on AVX and/or LWP capable CPUs 5242a1b5-x86-xsave-initialize-extended-register-state-when-guests-enable-it.patch - bnc#840592 - VUL-0: CVE-2013-4355: XSA-63: xen: Information leaks through I/O instruction emulation CVE-2013-4355-xsa63.patch - bnc#840593 - VUL-0: CVE-2013-4356: XSA-64: xen: Memory accessible by 64-bit PV guests under live migration CVE-2013-4356-xsa64.patch - bnc#841766 - VUL-1: CVE-2013-4361: XSA-66: xen: Information leak through fbld instruction emulation CVE-2013-4361-xsa66.patch - bnc#833796 - L3: Xen: migration broken from xsave-capable to xsave-incapable host 52205e27-x86-xsave-initialization-improvements.patch 522dc0e6-x86-xsave-fix-migration-from-xsave-capable-to-xsave-incapable-host.patch - bnc#839600 - [HP BCS SLES11 Bug]: In HP’s UEFI x86_64 platform and sles11sp3 with xen environment, xen hypervisor will panic on multiple blades nPar. 523172d5-x86-fix-memory-cut-off-when-using-PFN-compression.patch - bnc#833251 - [HP BCS SLES11 Bug]: In HP’s UEFI x86_64 platform and with xen environment, in booting stage ,xen hypervisor will panic. 522d896b-x86-EFI-properly-handle-run-time-memory-regions-outside-the-1-1-map.patch - bnc#834751 - [HP BCS SLES11 Bug]: In xen, “shutdown –y 0 –h” cannot power off system 522d896b-x86-EFI-properly-handle-run-time-memory-regions-outside-the-1-1-map.patch OBS-URL: https://build.opensuse.org/package/show/Virtualization/xen?expand=0&rev=274
25 lines
959 B
Diff
25 lines
959 B
Diff
# Commit 850188e1278cecd1dfb9b936024bee2d8dfdcc18
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# Date 2013-08-27 11:11:38 +0200
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# Author Jan Beulich <jbeulich@suse.com>
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# Committer Jan Beulich <jbeulich@suse.com>
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x86: don't allow Dom0 access to the MSI address range
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In particular, MMIO assignments should not be done using this area.
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Signed-off-by: Jan Beulich <jbeulich@suse.com>
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Acked-by Xiantao Zhang <xiantao.zhang@intel.com>
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--- a/xen/arch/x86/domain_build.c
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+++ b/xen/arch/x86/domain_build.c
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@@ -1122,6 +1122,10 @@ int __init construct_dom0(
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if ( !rangeset_contains_singleton(mmio_ro_ranges, mfn) )
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rc |= iomem_deny_access(dom0, mfn, mfn);
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}
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+ /* MSI range. */
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+ rc |= iomem_deny_access(dom0, paddr_to_pfn(MSI_ADDR_BASE_LO),
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+ paddr_to_pfn(MSI_ADDR_BASE_LO +
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+ MSI_ADDR_DEST_ID_MASK));
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/* Remove access to E820_UNUSABLE I/O regions above 1MB. */
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for ( i = 0; i < e820.nr_map; i++ )
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