CVE-2026-19446

High

Open

TLP:CLEAR

Vulnerabilities in IBM AIX and PowerVM VIOS

NVD CVE.org

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Description

IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 allows a remote unauthenticated attacker can send a crafted UDP packet to a reachable RPC service, resulting in complete system unavailability and requiring an LPAR restart.

Details

CVSS Score: 7.5
CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Confidence: 90%
Published: Aug 20, 2026
Last Modified: Aug 20, 2026

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