Out-of-Bounds Write Vulnerability in Hitachi Disk Array Drivers for AIX and Virtual I/O Server

CVE-2026-86573

What is CVE-2026-86573?

An out-of-bounds write vulnerability exists in the Hitachi Disk Array Driver for AIX and the Hitachi Disk Array Driver for Virtual I/O Server. This flaw may allow an attacker to exploit memory improperly, potentially leading to system instability or unauthorized access. Affected versions include Hitachi Disk Array Driver for AIX (prior to version 01-23-/A) and Hitachi Disk Array Driver for Virtual I/O Server (prior to version 01-23-/A). It is crucial for users to apply necessary updates to safeguard their systems.

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