vhost-user-gpu: fix memory leak in vg_resource_attach_backing (CVE-2021-3544)
Check whether the 'res' has already been attach_backing to avoid memory leak. Fixes: CVE-2021-3544 Reported-by:Li Qiang <liq3ea@163.com> virtio-gpu fix: 204f01b3 ("virtio-gpu: 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: <20210516030403.107723-4-liq3ea@163.com> Signed-off-by:
Gerd Hoffmann <kraxel@redhat.com>
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mentioned in commit raspet/yocto/poky@0d253da7
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mentioned in commit 6ae68dfd
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