SB2026082423 - Multiple vulnerabilities in IBM Power Hardware Management Console (HMC)

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Main Vulnerability Database SB2026082423

SB2026082423 - Multiple vulnerabilities in IBM Power Hardware Management Console (HMC)

Published: August 24, 2026

Security Bulletin ID SB2026082423
CSH Severity
High
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

High 50% Low 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 vulnerabilities.


1) Integer overflow (CVE-ID: CVE-2025-68724)

CWE-ID: CWE-190 - Integer overflow

CVSSv4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a local user to execute arbitrary code.

The vulnerability exists due to integer overflow within the asymmetric_key_generate_id() function in crypto/asymmetric_keys/asymmetric_type.c. A local user can execute arbitrary code.


2) Improper control of a resource through its lifetime (CVE-ID: CVE-2026-31431) Exploited

CWE-ID: CWE-664 - Improper control of a resource through its lifetime

CVSSv4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to improper memory handling within the authencesn cryptographic template in algif_aead when processing AEAD operations. A local user can trigger the vulnerable code path to execute arbitrary code on the system.

Note, this vulnerability was dubbed "Copy Fail". 


Remediation

Install update from vendor's website.

References