📚 CVE-2021-3923 | Linux Kernel RDMA over Infiniband /dev/infiniband/rdma_cm ib_copy_ah_attr_to_user information disclosure

A vulnerability classified as problematic was found in Linux Kernel. This vulnerability affects the function ib_copy_ah_attr_to_user of the file /dev/infiniband/rdma_cm of the component RDMA over Infiniband. The manipulation leads to information disclosure. This vulnerability was named CVE-2021-3923. Attacking locally is a requirement. There is no exploit available. It is recommended to apply a patch to fix this issue. ...