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CVE-2026-19442 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:8.8 HIGHVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

CNA: [email protected]CVSS-B:8.2 HIGHVector:CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://www.ibm.com/support/pages/node/7283858	[email protected]	PatchVendor Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-822	Untrusted Pointer Dereference	[email protected]

Affected Products

Product	Versions
ibm vios	>= 4.1.0, < 4.1.0.50 >= 4.1.1.0, < 4.1.1.30 >= 4.1.2.0, < 4.1.2.20
CPE cpe:2.3:a:ibm:vios:::::::: Remediation No remediation found in references.
ibm aix	>= 7.2.5, <= 7.2.5.212 >= 7.3.2, <= 7.3.2.5 >= 7.3.3, <= 7.3.3.2 >= 7.3.4, <= 7.3.4.1
CPE cpe:2.3:o:ibm:aix:::::::: Remediation No remediation found in references.

Change History

4 change records found show changes

Date	Action	Recorded By
Aug 25, 2026	Initial Analysis	[email protected]
Aug 22, 2026	CVE Modified	CISA-ADP
Aug 21, 2026	CVE Modified	CISA-ADP
Aug 20, 2026	New CVE Received	[email protected]