CVE-2022-0617

A NULL pointer dereference was found in the Linux kernel’s UDF file system functionality in the way the user triggers the udf_file_write_iter function for a malicious UDF image. This flaw allows a local user to crash the system.

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.

As the UDF module (udf.ho) will be auto-loaded when required, its use can be disabled by preventing the module from loading with the following instructions:

echo "install udf /bin/true" >> /etc/modprobe.d/disable-udf.conf

If the system requires this module t\work correctly, this mitigation may not be suitable.

If you need further assistance, see the KCS article https://access.redhat.com/solutions/41278 or contact Red Hat Global Support Services.