CVE-2026-17124

Analyzed Analyzed - Analysis Complete

Out-of-Bounds Read in IBM AIX and PowerVM VIOS

Publication date: 2026-08-20

Last updated on: 2026-08-27

Assigner: IBM Corporation

Description

IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a local attacker to execute arbitrary code due to an out-of-bounds read.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-08-20

Last Modified

2026-08-27

Generated

2026-09-10

AI Q&A

2026-08-21

EPSS Evaluated

2026-09-09

NVD

CVE-2026-17124

EUVD

EUVD-2026-63711

Affected Vendors & Products

Vendor	Product	Version / Range
ibm	vios	From 4.1.0 (inc) to 4.1.0.50 (exc)
ibm	vios	From 4.1.1.0 (inc) to 4.1.1.30 (exc)
ibm	vios	From 4.1.2.0 (inc) to 4.1.2.20 (exc)
ibm	aix	From 7.2.5 (inc) to 7.2.5.212 (inc)
ibm	aix	From 7.3.2 (inc) to 7.3.2.5 (inc)
ibm	aix	From 7.3.3 (inc) to 7.3.3.2 (inc)
ibm	aix	From 7.3.4 (inc) to 7.3.4.1 (inc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-125	The product reads data past the end, or before the beginning, of the intended buffer.

Attack-Flow Graph

Executive Summary

This vulnerability is an out-of-bounds read issue in IBM AIX 7.2, 7.3, and IBM PowerVM VIOS 4.1. It allows a local attacker to execute arbitrary code by exploiting memory access beyond allocated bounds.

Detection Guidance

This vulnerability involves an out-of-bounds read in IBM AIX and PowerVM VIOS. Detection requires checking system logs for suspicious activity or crashes related to memory access violations. Use commands like 'errpt -a' on AIX to review error logs and 'viosvrcmd -c ls' on PowerVM VIOS to inspect system commands. No specific detection commands are provided in the CVE details.

Impact Analysis

A local attacker could gain elevated privileges or execute malicious code on affected systems. This may lead to unauthorized data access, system compromise, or disruption of services.

Compliance Impact

This vulnerability could lead to unauthorized data access or system compromise, potentially violating confidentiality requirements in GDPR and HIPAA. Compliance may be impacted if sensitive data is exposed or altered.

Mitigation Strategies

Apply IBM-provided patches or updates for AIX 7.2, 7.3, and PowerVM VIOS 4.1 to address the out-of-bounds read vulnerability. Monitor IBM's security advisories for fixes and test patches in a non-production environment before deployment.

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