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CVE-2026-17165: CWE-476 NULL Pointer Dereference in IBM AIX

0
High
VulnerabilityCVE-2026-17165cvecve-2026-17165cwe-476
Published: 08/20/2026 (08/20/2026, 21:56:16 UTC)
Source: CVE Database V5
Vendor/Project: IBM
Product: AIX

Description

CVE-2026-17165 is a high severity vulnerability in IBM AIX 7.2, 7.3, and IBM PowerVM VIOS 4.1 that allows a remote attacker to cause a denial of service via a NULL pointer dereference. This vulnerability does not impact confidentiality or integrity but results in service disruption.

CVSS v3.1

Score 7.5high

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected software

IBM

AIX

Affected versions
=7.2=7.3

IBM

PowerVM VIOS

Affected versions
=4.1
Ibmmore threats →ai
ibm/aix
pkg:rpm/ibm/aix
Affected versions
=7.2=7.3
Ibmmore threats →ai
ibm/powervm_vios
pkg:rpm/ibm/powervm_vios
Affected versions
=4.1
CPE configurations (6)
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.

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 09/10/2026, 20:17:02 UTC

Technical Analysis

This vulnerability (CVE-2026-17165) affects IBM AIX versions 7.2 and 7.3, as well as IBM PowerVM VIOS 4.1. It is caused by a NULL pointer dereference that can be triggered remotely, leading to a denial of service condition. The CVSS v3.1 base score is 7.5, reflecting high severity due to the network attack vector, low attack complexity, no privileges required, no user interaction, and impact limited to availability.

Potential Impact

Successful exploitation results in denial of service, causing affected systems to crash or become unresponsive. There is no impact on confidentiality or integrity of data.

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 current data. Until a patch is available, monitor IBM advisories for updates.

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Technical Details

Data Version
5.2
Assigner Short Name
ibm
Date Reserved
2026-07-24T18:00:41.154Z
Cvss Version
3.1
State
PUBLISHED

Threat ID: 6a877ac5acd9273b493025b8

Added to database: 08/20/2026, 22:08:05 UTC

Last enriched: 09/10/2026, 20:17:02 UTC

Last updated: 10/05/2026, 06:48:14 UTC

Views: 30

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