libvirt/SOURCES/libvirt-api-disallow-virConnect-HypervisorCPU-on-read-only-connections.patch
2021-09-10 11:57:18 +00:00

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