Maxime Coquelin 46f8a29272 vduse: prevent uninitialized memory accesses ... If the VDUSE application provides a smaller config space than the driver expects, the driver may use uninitialized memory from the stack. This patch prevents it by initializing the buffer passed by the driver to store the config value. This fix addresses CVE-2022-2308. Cc: stable@vger.kernel.org # v5.15+ Fixes: c8a6153b6c ("vduse: Introduce VDUSE - vDPA Device in Userspace") Reviewed-by: Xie Yongji <xieyongji@bytedance.com> Acked-by: Jason Wang <jasowang@redhat.com> Signed-off-by: Maxime Coquelin <maxime.coquelin@redhat.com> Message-Id: <20220831154923.97809-1-maxime.coquelin@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>		2022-09-27 18:32:45 -04:00
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Makefile	vduse: Introduce VDUSE - vDPA Device in Userspace	2021-09-06 07:20:58 -04:00
iova_domain.c	vduse: Support using userspace pages as bounce buffer	2022-08-11 04:26:08 -04:00
iova_domain.h	vduse: Support using userspace pages as bounce buffer	2022-08-11 04:26:08 -04:00
vduse_dev.c	vduse: prevent uninitialized memory accesses	2022-09-27 18:32:45 -04:00