A vulnerability was found in Linux Kernel up to 5.9 (Operating System). It has been declared as critical. Affected by this vulnerability is the function ctx_list/ucma_migrate_id of the file drivers/infiniband/core/ucma.c. Upgrading to version 5.10 eliminates this vulnerability. The upgrade is hosted for download at cdn.kernel.org. Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.kernel.org. The best possible mitigation is suggested to be upgrading to the latest version.