CVE-2022-50874 RDMA/erdma: Fix refcount leak in erdma_mmap

In the Linux kernel, the following vulnerability has been resolved: RDMA/erdma: Fix refcount leak in erdmammap rdmausermmapentryget take reference, we should release it when not need anymore, add the missing rdmausermmapentryput in the error path to fix it...

PT-2016-4066

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 4.0.3 Description The issue allows local users to obtain sensitive information from kernel memory. This is due to the failure to initialize certain data structures in the arch/arm64/mm/dma-mapping.c file, which c...