SB2025070164 - Multiple vulnerabilities in IBM Cloud Pak System

Description

This security bulletin contains information about 3 secuirty vulnerabilities.

1) Heap-based buffer overflow (CVE-ID: CVE-2025-22224)

The vulnerability allows a malicious guest to execute arbitrary code on the hypervisor.

The vulnerability exists due to a boundary error in VMCI. A malicious guest with administrative privileges can trigger a heap-based buffer overflow and execute arbitrary code on the hypervisor in the context of VMX process.

Note, the vulnerability is being actively exploited in the wild.

2) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2025-22225)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to improperly imposed security restrictions. A malicious guest with access to the VMX process can write arbitrary data to kernel and bypass sandbox restrictions. 

Note, the vulnerability is being actively exploited in the wild.

3) Out-of-bounds read (CVE-ID: CVE-2025-22226)

The vulnerability allows a malicious guest to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition in HGFS. A malicious guest can trigger an out-of-bounds read error and read contents of memory on the system.

Note, the vulnerability is being actively exploited in the wild.

Remediation

Install update from vendor's website.

References

• https://www.ibm.com/support/pages/node/7185269