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libvirt/f411b7ef6-Add-TSX-CTRL.patch
James Fehlig b610ddd85a Accepting request 758259 from home:jfehlig:branches:Virtualization
- CVE-2019-11135: Add TSX_CTRL and TAA_NO bits for
  IA32_ARCH_CAPABILITIES MSR
  07aaced4-Add-TAA-No.patch, f411b7ef6-Add-TSX-CTRL.patch
  bsc#1152505

OBS-URL: https://build.opensuse.org/request/show/758259
OBS-URL: https://build.opensuse.org/package/show/Virtualization/libvirt?expand=0&rev=791
2019-12-19 15:41:31 +00:00

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commit f411b7ef68221e82dec0129aaf2f2a26a8987504
Author: Jiri Denemark <jdenemar@redhat.com>
Date: Thu Dec 12 15:12:05 2019 +0100
cpu_map: Add TSX_CTRL bit for IA32_ARCH_CAPABILITIES MSR
CVE-2019-11135
When TSX_CTRL bit of IA32_ARCH_CAPABILITIES MSR is set to 1, the CPU
supports IA32_TSX_CTRL MSR which can be used to disable and/or mask TSX.
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Index: libvirt-5.10.0/src/cpu_map/x86_features.xml
===================================================================
--- libvirt-5.10.0.orig/src/cpu_map/x86_features.xml
+++ libvirt-5.10.0/src/cpu_map/x86_features.xml
@@ -502,6 +502,9 @@
<feature name='mds-no'>
<msr index='0x10a' edx='0x00000000' eax='0x00000020'/>
</feature>
+ <feature name='tsx-ctrl'>
+ <msr index='0x10a' edx='0x00000000' eax='0x00000080'/>
+ </feature>
<feature name='taa-no'>
<msr index='0x10a' edx='0x00000000' eax='0x00000100'/>
</feature>