CVE-2021-47167

A vulnerability was found in the NFS module of the Linux kernel, where a potential system crash (Oops) occurred due to improper handling of the mirror array in __nfs_pageio_add_request(). The nfs_pageio_error_cleanup() function did not correctly reset the mirror array, leading to inconsistencies when the structure was empty.

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

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.