File CVE-2019-10168-api-disallow-virConnect-HypervisorCPU.patch of Package libvirt.16761

From 23058e1c961ebc687913851fe14c75de9cabf954 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A1n=20Tomko?= <jtomko@redhat.com>
Date: Fri, 14 Jun 2019 10:37:34 +0200
Subject: [PATCH 4/4] api: disallow virConnect*HypervisorCPU on read-only
 connections
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These APIs can be used to execute arbitrary emulators.
Forbid them on read-only connections.

Fixes: CVE-2019-10168
Signed-off-by: Ján Tomko <jtomko@redhat.com>
---
 src/libvirt-host.c | 2 ++
 1 file changed, 2 insertions(+)

Index: libvirt-5.1.0/src/libvirt-host.c
===================================================================
--- libvirt-5.1.0.orig/src/libvirt-host.c
+++ libvirt-5.1.0/src/libvirt-host.c
@@ -1041,6 +1041,7 @@ virConnectCompareHypervisorCPU(virConnec
 
     virCheckConnectReturn(conn, VIR_CPU_COMPARE_ERROR);
     virCheckNonNullArgGoto(xmlCPU, error);
+    virCheckReadOnlyGoto(conn->flags, error);
 
     if (conn->driver->connectCompareHypervisorCPU) {
         int ret;
@@ -1234,6 +1235,7 @@ virConnectBaselineHypervisorCPU(virConne
 
     virCheckConnectReturn(conn, NULL);
     virCheckNonNullArgGoto(xmlCPUs, error);
+    virCheckReadOnlyGoto(conn->flags, error);
 
     if (conn->driver->connectBaselineHypervisorCPU) {
         char *cpu;