CVE-2026-19783

Medium

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 could allow a local attacker to cause kernel memory corruption due to insufficient validation. A crafted filesystem image can trigger an out-of-bounds kernel-stack write during directory reads, causing a system crash or potentially enabling privilege escalation.

Details

CVSS Score: 6.7
CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Confidence: 90%
Published: Aug 20, 2026
Last Modified: Aug 20, 2026

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