SB2026110531 - Multiple vulnerabilities in IBM Storage Virtualize



SB2026110531 - Multiple vulnerabilities in IBM Storage Virtualize

Published: November 5, 2026

Security Bulletin ID SB2026110531
CSH Severity
High
Patch available
NO
Number of vulnerabilities 3
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 33% Medium 33% Low 33%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 vulnerabilities.


1) Resource management error (CVE-ID: CVE-2026-43284) Exploited

CWE-ID: CWE-399 - Resource Management Errors

CVSSv4: 9.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H]


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

The xfrm-ESP Page-Cache Write vulnerability exists due to improper management of internal resources in esp_input() function in net/ipv4/esp4.c and esp6_input() function in net/ipv6/esp6.c. A local user can execute arbitrary code with root privileges. 

Note, this is one of two vulnerabilities reported as Dirty Frag.


2) Use-after-free (CVE-ID: CVE-2023-53373)

CWE-ID: CWE-416 - Use After Free

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 a use-after-free error within the seqiv_aead_encrypt_complete2() function in crypto/seqiv.c. A local user can escalate privileges on the system.


3) Resource exhaustion (CVE-ID: CVE-2025-59375)

CWE-ID: CWE-400 - Resource exhaustion

CVSSv4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to application does not properly control consumption of internal resources. A remote attacker can trigger large dynamic memory allocations via a small document and perform a denial of service (DoS) attack.


Remediation

Cybersecurity Help is not aware of any official remediation provided by the vendor.