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CVE-2026-19442— Vulnerabilities in IBM AIX and PowerVM VIOS

Quick assessment

Affected
IBM AIX
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

IBM AIX 7.2 和 7.3，以及 IBM PowerVM VIOS 4.1 的 AIX 虚拟 SCSI (vSCSI) 初始化器驱动程序中存在一个指针验证缺陷。成功利用该漏洞可能导致拒绝服务、权限提升，或完全攻破客户机 LPAR 内核。

CVSS 8.2 · High EPSS 0.17% · P7

Affected Version Matrix 3

VendorProduct Version RangeStatus
IBM AIX 7.2 affected
7.3 affected
IBM PowerVM VIOS 4.1 affected
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I. Basic Information for CVE-2026-19442

Vulnerability Information
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Vulnerability Title
Vulnerabilities in IBM AIX and PowerVM VIOS
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
非可信指针解引用
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
IBM AIX 7.2 cpe:2.3:a:ibm:aix:7.2:*:*:*:*:*:*:*
IBM PowerVM VIOS 4.1 cpe:2.3:a:ibm:powervm_vios:4.1:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-19442

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III. Intelligence Information for CVE-2026-19442

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Other References for CVE-2026-19442 (1)

Same Patch Batch · IBM · 2026-08-20 · 75 CVEs total

CVE-2026-18835 9.9 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-17040 9.8 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-17118 9.8 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-17122 9.8 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-17136 9.8 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-17141 9.8 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-17142 9.8 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-17145 9.8 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-17152 9.8 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-17157 9.8 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-17160 9.8 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-17422 9.3 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-16926 9.1 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-18832 8.8 HIGH Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-19449 8.8 HIGH Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-17436 8.8 HIGH Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-16932 8.8 HIGH Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-16934 8.8 HIGH Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-16996 8.8 HIGH Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-16936 8.8 HIGH Vulnerabilities in IBM AIX and PowerVM VIOS

Showing top 20 of 75 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: AIX
Same vendor: IBM
Same weakness: CWE-822

V. Comments for CVE-2026-19442

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