vhost-user-gpu: fix memory leak in 'virgl_resource_attach_backing' (CVE-2021-3544)
authorLi Qiang <liq3ea@163.com>
Sun, 16 May 2021 03:04:01 +0000 (20:04 -0700)
committerGerd Hoffmann <kraxel@redhat.com>
Thu, 27 May 2021 09:55:59 +0000 (11:55 +0200)
commit63736af5a6571d9def93769431e0d7e38c6677bf
treeddafc598da6ec506818a2c145e8bccd9a91563a8
parentf6091d86ba9ea05f4e111b9b42ee0005c37a6779
vhost-user-gpu: fix memory leak in 'virgl_resource_attach_backing' (CVE-2021-3544)

If 'virgl_renderer_resource_attach_iov' failed, the 'res_iovs' will
be leaked.

Fixes: CVE-2021-3544
Reported-by: Li Qiang <liq3ea@163.com>
virtio-gpu fix: 33243031da ("virtio-gpu-3d: fix memory leak
in resource attach backing")

Signed-off-by: Li Qiang <liq3ea@163.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20210516030403.107723-7-liq3ea@163.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
contrib/vhost-user-gpu/virgl.c