CVE-2026-17009: CWE-476 NULL Pointer Dereference in IBM AIX
A NULL pointer dereference vulnerability exists in IBM AIX versions 7.2 and 7.3, as well as IBM PowerVM VIOS 4.1, which could allow a local attacker to cause a denial of service. The vulnerability is identified as CWE-476 and has a CVSS 3.1 base score of 4.7, indicating medium severity. No official patch or remediation guidance has been provided yet.
AI Analysis
Technical Summary
CVE-2026-17009 is a vulnerability in IBM AIX 7.2 and 7.3 and IBM PowerVM VIOS 4.1 where a local attacker can trigger a NULL pointer dereference, leading to a denial of service condition. The vulnerability does not impact confidentiality or integrity but affects availability. The attack vector requires local access with low privileges and high attack complexity, and no user interaction is needed. There is no known exploit in the wild and no vendor advisory or patch information currently available.
Potential Impact
The vulnerability allows a local attacker to cause a denial of service by triggering a NULL pointer dereference. This results in disruption of service availability on affected systems. There is no impact on confidentiality or integrity.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict local access to trusted users and monitor for unusual system crashes or service interruptions related to this issue.
CVE-2026-17009: CWE-476 NULL Pointer Dereference in IBM AIX
Description
A NULL pointer dereference vulnerability exists in IBM AIX versions 7.2 and 7.3, as well as IBM PowerVM VIOS 4.1, which could allow a local attacker to cause a denial of service. The vulnerability is identified as CWE-476 and has a CVSS 3.1 base score of 4.7, indicating medium severity. No official patch or remediation guidance has been provided yet.
CVSS v3.1
Score 4.7medium
Affected software
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
CVE-2026-17009 is a vulnerability in IBM AIX 7.2 and 7.3 and IBM PowerVM VIOS 4.1 where a local attacker can trigger a NULL pointer dereference, leading to a denial of service condition. The vulnerability does not impact confidentiality or integrity but affects availability. The attack vector requires local access with low privileges and high attack complexity, and no user interaction is needed. There is no known exploit in the wild and no vendor advisory or patch information currently available.
Potential Impact
The vulnerability allows a local attacker to cause a denial of service by triggering a NULL pointer dereference. This results in disruption of service availability on affected systems. There is no impact on confidentiality or integrity.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict local access to trusted users and monitor for unusual system crashes or service interruptions related to this issue.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- ibm
- Date Reserved
- 2026-07-24T10:03:36.587Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a877785acd9273b492c5dfd
Added to database: 08/20/2026, 21:54:13 UTC
Last enriched: 08/20/2026, 22:53:37 UTC
Last updated: 08/20/2026, 23:52:16 UTC
Views: 3
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
External Links
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.