CVE-2026-19442
Vulnerabilities in IBM AIX and PowerVM VIOS
At a glance Severity HIGH 8.2 EPSS EPSS 0.16 % · percentile 6 (2026-10-27) State PUBLISHED Published 2026-08-20 Updated 2026-08-22 Assigner ibm NVD status Analyzed
Description IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 has a pointer validation flaw exists in the AIX Virtual SCSI (vSCSI) initiator driver. Successful exploitation may result in denial of service, privilege escalation, or full compromise of the client LPAR kernel.
Scores Version Score Vector Scored by CVSS 3.1 HIGH 8.2 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H ibm CVSS 3.1 HIGH 8.2 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H NVD · psirt@us.ibm.com (Secondary) CVSS 3.1 HIGH 8.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H NVD · nvd@nist.gov (Primary)
Weaknesses (CWE)
European references
CERT-FR advisories
Affected configurations (NVD CPE) cpe:2.3:a:ibm:vios:*:*:*:*:*:*:*:* ≥ 4.1.0 < 4.1.0.50cpe:2.3:a:ibm:vios:*:*:*:*:*:*:*:* ≥ 4.1.1.0 < 4.1.1.30cpe:2.3:a:ibm:vios:*:*:*:*:*:*:*:* ≥ 4.1.2.0 < 4.1.2.20cpe:2.3:o:ibm:aix:*:*:*:*:*:*:*:* ≥ 7.2.5 ≤ 7.2.5.212cpe:2.3:o:ibm:aix:*:*:*:*:*:*:*:* ≥ 7.3.2 ≤ 7.3.2.5cpe:2.3:o:ibm:aix:*:*:*:*:*:*:*:* ≥ 7.3.3 ≤ 7.3.3.2cpe:2.3:o:ibm:aix:*:*:*:*:*:*:*:* ≥ 7.3.4 ≤ 7.3.4.1
Affected products
References
Sources