qemu/0016-virtio-gpu-fix-memory-...

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CVE-2016-6836: vmxnet: Information leakage in vmxnet3_complete_packet (bz #1366370) CVE-2016-7909: pcnet: Infinite loop in pcnet_rdra_addr (bz #1381196) CVE-2016-7994: virtio-gpu: memory leak in resource_create_2d (bz #1382667) CVE-2016-8577: 9pfs: host memory leakage in v9fs_read (bz #1383286) CVE-2016-8578: 9pfs: potential NULL dereferencein 9pfs routines (bz #1383292) CVE-2016-8668: OOB buffer access in rocker switch emulation (bz #1384898) CVE-2016-8669: divide by zero error in serial_update_parameters (bz #1384911) CVE-2016-8910: rtl8139: infinite loop while transmit in C+ mode (bz #1388047) CVE-2016-8909: intel-hda: infinite loop in dma buffer stream (bz #1388053) Infinite loop vulnerability in a9_gtimer_update (bz #1388300) CVE-2016-9101: eepro100: memory leakage at device unplug (bz #1389539) CVE-2016-9103: 9pfs: information leakage via xattr (bz #1389643) CVE-2016-9102: 9pfs: memory leakage when creating extended attribute (bz #1389551) CVE-2016-9104: 9pfs: integer overflow leading to OOB access (bz #1389687) CVE-2016-9105: 9pfs: memory leakage in v9fs_link (bz #1389704) CVE-2016-9106: 9pfs: memory leakage in v9fs_write (bz #1389713) CVE-2016-9381: xen: incautious about shared ring processing (bz #1397385) CVE-2016-9921: Divide by zero vulnerability in cirrus_do_copy (bz #1399054) CVE-2016-9776: infinite loop while receiving data in mcf_fec_receive (bz #1400830) CVE-2016-9845: information leakage in virgl_cmd_get_capset_info (bz #1402247) CVE-2016-9846: virtio-gpu: memory leakage while updating cursor data (bz #1402258) CVE-2016-9907: usbredir: memory leakage when destroying redirector (bz #1402266) CVE-2016-9911: usb: ehci: memory leakage in ehci_init_transfer (bz #1402273) CVE-2016-9913: 9pfs: memory leakage via proxy/handle callbacks (bz #1402277) CVE-2016-10028: virtio-gpu-3d: OOB access while reading virgl capabilities (bz #1406368) CVE-2016-9908: virtio-gpu: information leakage in virgl_cmd_get_capset (bz #1402263) CVE-2016-9912: virtio-gpu: memory leakage when destroying gpu resource (bz #1402285)
2017-01-16 20:58:15 +00:00
From: Li Qiang <liqiang6-s@360.cn>
Date: Sun, 18 Sep 2016 19:07:11 -0700
Subject: [PATCH] virtio-gpu: fix memory leak in virtio_gpu_resource_create_2d
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
In virtio gpu resource create dispatch, if the pixman format is zero
it doesn't free the resource object allocated previously. Thus leading
a host memory leak issue. This patch avoid this.
Signed-off-by: Li Qiang <liqiang6-s@360.cn>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 57df486e.8379240a.c3620.ff81@mx.google.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
(cherry picked from commit cb3a0522b694cc5bb6424497b3f828ccd28fd1dd)
---
hw/display/virtio-gpu.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/hw/display/virtio-gpu.c b/hw/display/virtio-gpu.c
index c181fb3..d345276 100644
--- a/hw/display/virtio-gpu.c
+++ b/hw/display/virtio-gpu.c
@@ -323,6 +323,7 @@ static void virtio_gpu_resource_create_2d(VirtIOGPU *g,
qemu_log_mask(LOG_GUEST_ERROR,
"%s: host couldn't handle guest format %d\n",
__func__, c2d.format);
+ g_free(res);
cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER;
return;
}