CVE-2026-16897: CWE-369 Divide By Zero in IBM AIX
Description
CVE-2026-16897 is a medium severity vulnerability in IBM AIX versions 7.2 and 7.3, and IBM PowerVM VIOS 4.1. It involves a divide-by-zero condition (CWE-369) that can be triggered by a local attacker, potentially causing a denial of service via an out-of-bounds write.
CVSS v3.1
Score 4.4medium
Affected software
IBM
AIX
IBM
PowerVM VIOS
cpe:2.3:a:ibm:aix:7.2:*:*:*:*:*:*:*cpe:2.3:a:ibm:aix:7.2.0:*:*:*:*:*:*:*cpe:2.3:a:ibm:aix:7.3:*:*:*:*:*:*:*cpe:2.3:a:ibm:aix:7.3.0:*:*:*:*:*:*:*cpe:2.3:a:ibm:powervm_vios:4.1:*:*:*:*:*:*:*cpe:2.3:a:ibm:powervm_vios:4.1.0:*:*:*:*:*:*:*Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in IBM AIX 7.2, 7.3, and IBM PowerVM VIOS 4.1 allows a local attacker with high privileges to cause a denial of service due to an out-of-bounds write triggered by a divide-by-zero error. The CVSS 3.1 base score is 4.4, reflecting a medium severity with local attack vector, low attack complexity, and no impact on confidentiality or integrity but high impact on availability.
Potential Impact
An attacker with local high privileges can exploit this vulnerability to cause a denial of service, potentially disrupting system availability. There is no impact on confidentiality or integrity.
Mitigation Recommendations
Patch status is not yet confirmed — check the IBM vendor advisory for current remediation guidance. No official fix or patch links are provided in the available data.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- ibm
- Date Reserved
- 2026-07-24T05:35:17.491Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6a860d18acd9273b498f9c2a
Added to database: 08/19/2026, 20:07:52 UTC
Last enriched: 09/11/2026, 07:33:59 UTC
Last updated: 10/04/2026, 10:02:25 UTC
Views: 74
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