Local Denial of Service Vulnerability in IBM AIX and PowerVM
CVE-2026-17195

6.5MEDIUM

Key Information:

Vendor

IBM
Status
Aix
Powervm ViOS
Vendor
CVE Published:
20 August 2026

What is CVE-2026-17195?

An out-of-bounds write vulnerability in IBM AIX versions 7.2 and 7.3, as well as IBM PowerVM VIOS version 4.1, can be exploited by a local attacker to cause a denial of service. This vulnerability poses a significant risk, as it could lead to system instability and service interruptions. It is crucial for administrators to apply the latest patches and updates provided by IBM to mitigate this security issue and enhance system resilience.

Affected Version(s)

AIX 7.2

AIX 7.3

PowerVM VIOS 4.1

References

https://www.ibm.com/support/pages/node/7283858
vendor-advisorypatch

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

CVE-2026-14970, CVE-2026-15061, CVE-2026-15078, CVE-2026-15065, CVE-2026-15068 were reported to IBM by Oneconsult AG (https://oneconsult.com/).
.