CVE-2021-47166

A vulnerability was found in the NFS module in the Linux kernel where a memory corruption occurred in pg_bytes_written in the nfs_do_recoalesce() function. The value was updated before successfully flushing requests, potentially leading to incorrect accounting of written bytes.

Mitigation

Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible.