CVE: CVE-2021-3544
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Upstream-Status: Backport
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Signed-off-by: Ross Burton <ross.burton@arm.com>
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From 86dd8fac2acc366930a5dc08d3fb1b1e816f4e1e Mon Sep 17 00:00:00 2001
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From: Li Qiang <liq3ea@163.com>
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Date: Sat, 15 May 2021 20:03:57 -0700
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Subject: [PATCH 2/7] vhost-user-gpu: fix resource leak in
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'vg_resource_create_2d' (CVE-2021-3544)
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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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Call 'vugbm_buffer_destroy' in error path to avoid resource leak.
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Fixes: CVE-2021-3544
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Reported-by: Li Qiang <liq3ea@163.com>
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Reviewed-by: Prasad J Pandit <pjp@fedoraproject.org>
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Signed-off-by: Li Qiang <liq3ea@163.com>
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Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
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Message-Id: <20210516030403.107723-3-liq3ea@163.com>
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Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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---
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contrib/vhost-user-gpu/vhost-user-gpu.c | 1 +
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1 file changed, 1 insertion(+)
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diff --git a/contrib/vhost-user-gpu/vhost-user-gpu.c b/contrib/vhost-user-gpu/vhost-user-gpu.c
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index f73f292c9f..b5e153d0d6 100644
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--- a/contrib/vhost-user-gpu/vhost-user-gpu.c
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+++ b/contrib/vhost-user-gpu/vhost-user-gpu.c
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@@ -349,6 +349,7 @@ vg_resource_create_2d(VuGpu *g,
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g_critical("%s: resource creation failed %d %d %d",
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__func__, c2d.resource_id, c2d.width, c2d.height);
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g_free(res);
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+ vugbm_buffer_destroy(&res->buffer);
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cmd->error = VIRTIO_GPU_RESP_ERR_OUT_OF_MEMORY;
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return;
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}
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--
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2.25.1
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