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[PATCH v2 2/8] vhost-user-gpu: fix resource leak in 'vg_resource_create_
From: |
Li Qiang |
Subject: |
[PATCH v2 2/8] vhost-user-gpu: fix resource leak in 'vg_resource_create_2d' (CVE-2021-3544) |
Date: |
Sat, 15 May 2021 20:03:57 -0700 |
Call 'vugbm_buffer_destroy' in error path to avoid resource leak.
Fixes: CVE-2021-3544
Reported-by: Li Qiang <liq3ea@163.com>
Reviewed-by: Prasad J Pandit <pjp@fedoraproject.org>
Signed-off-by: Li Qiang <liq3ea@163.com>
---
contrib/vhost-user-gpu/vhost-user-gpu.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/contrib/vhost-user-gpu/vhost-user-gpu.c
b/contrib/vhost-user-gpu/vhost-user-gpu.c
index f73f292c9f..b5e153d0d6 100644
--- a/contrib/vhost-user-gpu/vhost-user-gpu.c
+++ b/contrib/vhost-user-gpu/vhost-user-gpu.c
@@ -349,6 +349,7 @@ vg_resource_create_2d(VuGpu *g,
g_critical("%s: resource creation failed %d %d %d",
__func__, c2d.resource_id, c2d.width, c2d.height);
g_free(res);
+ vugbm_buffer_destroy(&res->buffer);
cmd->error = VIRTIO_GPU_RESP_ERR_OUT_OF_MEMORY;
return;
}
--
2.25.1
- [PATCH v2 0/8] vhost-user-gpu: fix several security issues, Li Qiang, 2021/05/15
- [PATCH v2 3/8] vhost-user-gpu: fix memory leak in vg_resource_attach_backing (CVE-2021-3544), Li Qiang, 2021/05/15
- [PATCH v2 8/8] vhost-user-gpu: abstract vg_cleanup_mapping_iov, Li Qiang, 2021/05/15
- [PATCH v2 6/8] vhost-user-gpu: fix memory leak in 'virgl_resource_attach_backing' (CVE-2021-3544), Li Qiang, 2021/05/15
- [PATCH v2 4/8] vhost-user-gpu: fix memory leak while calling 'vg_resource_unref' (CVE-2021-3544), Li Qiang, 2021/05/15
- [PATCH v2 1/8] vhost-user-gpu: fix memory disclosure in virgl_cmd_get_capset_info (CVE-2021-3545), Li Qiang, 2021/05/15
- [PATCH v2 5/8] vhost-user-gpu: fix memory leak in 'virgl_cmd_resource_unref' (CVE-2021-3544), Li Qiang, 2021/05/15
- [PATCH v2 2/8] vhost-user-gpu: fix resource leak in 'vg_resource_create_2d' (CVE-2021-3544),
Li Qiang <=
- [PATCH v2 7/8] vhost-user-gpu: fix OOB write in 'virgl_cmd_get_capset' (CVE-2021-3546), Li Qiang, 2021/05/15
- Re: [PATCH v2 0/8] vhost-user-gpu: fix several security issues, Marc-André Lureau, 2021/05/16
- Re: [PATCH v2 0/8] vhost-user-gpu: fix several security issues, Gerd Hoffmann, 2021/05/18