A flaw was found in cifs-utils. When trying to obtain Kerberos credentials, the cifs.upcall program from the cifs-utils package makes an upcall to the wrong namespace in containerized environments. This issue may lead to disclosing sensitive data from the host's Kerberos credentials cache.
Exploitability
AV:LAC:HPR:NUI:NScope
S:CImpact
C:HI:NA:N5.9/CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:NOther