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From bab30af2d83e27d9141545cb9dcff51924e52b4d Mon Sep 17 00:00:00 2001
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Message-Id: <bab30af2d83e27d9141545cb9dcff51924e52b4d@dist-git>
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From: =?UTF-8?q?J=C3=A1n=20Tomko?= <jtomko@redhat.com>
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Date: Tue, 18 Jun 2019 13:30:02 +0200
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Subject: [PATCH] api: disallow virConnect*HypervisorCPU on read-only
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connections
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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These APIs can be used to execute arbitrary emulators.
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Forbid them on read-only connections.
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Fixes: CVE-2019-10168
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Signed-off-by: Ján Tomko <jtomko@redhat.com>
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Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
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Signed-off-by: Ján Tomko <jtomko@redhat.com>
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Message-Id: <470651092e7d6a4ba5875cf8885fd3714d5ea189.1560857354.git.jtomko@redhat.com>
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Reviewed-by: Jiri Denemark <jdenemar@redhat.com>
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---
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src/libvirt-host.c | 2 ++
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1 file changed, 2 insertions(+)
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diff --git a/src/libvirt-host.c b/src/libvirt-host.c
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index e20d6ee250..2978825d22 100644
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--- a/src/libvirt-host.c
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+++ b/src/libvirt-host.c
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@@ -1041,6 +1041,7 @@ virConnectCompareHypervisorCPU(virConnectPtr conn,
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virCheckConnectReturn(conn, VIR_CPU_COMPARE_ERROR);
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virCheckNonNullArgGoto(xmlCPU, error);
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+ virCheckReadOnlyGoto(conn->flags, error);
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if (conn->driver->connectCompareHypervisorCPU) {
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int ret;
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@@ -1234,6 +1235,7 @@ virConnectBaselineHypervisorCPU(virConnectPtr conn,
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virCheckConnectReturn(conn, NULL);
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virCheckNonNullArgGoto(xmlCPUs, error);
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+ virCheckReadOnlyGoto(conn->flags, error);
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if (conn->driver->connectBaselineHypervisorCPU) {
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char *cpu;
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--
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2.22.0
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