CVE-2022-48868

The vulnerability in the dmaengine: idxd driver involved improper error handling when enabling the workqueue, allowing the driver to load even if the workqueue setup failed. This led to issues during driver removal, such as freeing resources that weren't allocated or dereferencing uninitialized structures, causing kernel warnings and bugs.

Following issue marked as moderate with "not affected" for Red Hat Enterprise Linux, as it is not vulnerable to this CVE. This is because the CVE does not impact the versions or configurations of the Linux kernel used in Red Hat's distributions. Additionally, some RHEL versions may be marked as "will not fix" due to the minimal impact of the issue, and no fix will be provided.

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.

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.