CVE-2021-46923

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description The issue is related to the finish mount kattr() function in the Linux kernel's mount kattr component. It is caused by an error in the function's operation, which can lead to leaking references when building mount kattr, especially when an idmapped mount is requested and path lookup fails. This could allow an attacker to obtain confidential information.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.