Local File Write Vulnerability in IBM AIX and VIOS with Kerberos Authentication
CVE-2025-36244

7.4HIGH

Key Information:

Vendor

IBM
Status
Aix
ViOS
Vendor
CVE Published:
16 September 2025

What is CVE-2025-36244?

An issue has been identified in IBM AIX versions 7.2 and 7.3, along with IBM VIOS versions 3.1 and 4.1, where improper initialization of critical variables can allow a local user to write to files with root privileges when Kerberos network authentication is configured. This vulnerability poses a significant risk as it could enable unauthorized access and potential manipulation of system files.

Affected Version(s)

AIX 7.2

AIX 7.3

VIOS 3.1

References

https://www.ibm.com/support/pages/node/7245092
vendor-advisorypatch

CVSS V3.1

Score:
7.4
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.