CVE-2025-2312

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.

No evidence was found of the possibility of a container escape, restricting the impact to confidentiality. Hence, this flaw is rated with a Moderate impact rating.

This flaws affects only the cifs-utils component but requires a two part fix. This is why the kernel component is also listed.

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.