Name of the Vulnerable Software and Affected Versions Linux Kernel versions prior to v5.4.124

Description The issue is related to a file reference count problem when cmtp attach device fails. This problem was introduced in a specific commit and fixed in Linux Kernel version v5.4.124 by another commit. The actual impact and attack plausibility of this issue have not yet been proven.

Recommendations For Linux Kernel versions prior to v5.4.124, update to version v5.4.124 or later to resolve the issue.