DSA-2026-038: Security Update for Dell PowerScale OneFS Multiple Vulnerabilities

概要: Dell PowerScale OneFS remediation is available for multiple security vulnerabilities that could be exploited by malicious users to compromise the affected system.

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影響

Medium

詳細

Proprietary Code CVEs Description CVSS Base Score CVSS Vector String
CVE-2026-21421 Dell PowerScale OneFS, versions prior to 9.10.1.6 and versions 9.11.0.0 through 9.12.0.1, contains an execution with unnecessary privileges vulnerability. A high privileged attacker with local access could potentially exploit this vulnerability, leading to elevation of privileges. 6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:HThis hyperlink is taking you to a website outside of Dell Technologies.
CVE-2026-22270 Dell PowerScale OneFS, versions prior to 9.10.1.6 and versions 9.11.0.0 through 9.12.0.1, contains an uncontrolled search path element vulnerability. A high privileged attacker with local access could potentially exploit this vulnerability, leading to denial of service, elevation of privileges, and information disclosure. 6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:HThis hyperlink is taking you to a website outside of Dell Technologies.
CVE-2026-21423 Dell PowerScale OneFS, versions prior to 9.10.1.6 and versions 9.11.0.0 through 9.12.0.1, contains an incorrect default permissions vulnerability. A high privileged attacker with local access could potentially exploit this vulnerability, leading to code execution, denial of service, elevation of privileges, and information disclosure. 6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:HThis hyperlink is taking you to a website outside of Dell Technologies.
CVE-2026-21424 Dell PowerScale OneFS, versions prior to 9.10.1.6 and versions 9.11.0.0 through 9.12.0.1, contains an execution with unnecessary privileges vulnerability. A high privileged attacker with local access could potentially exploit this vulnerability, leading to Elevation of privileges. 6.7 CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:HThis hyperlink is taking you to a website outside of Dell Technologies.
CVE-2026-21425 Dell PowerScale OneFS, versions prior to 9.10.1.6 and versions 9.11.0.0 through 9.12.0.1, contains an incorrect privilege assignment vulnerability. A low privileged attacker with local access could potentially exploit this vulnerability, leading to Elevation of privileges. 6.7 CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:HThis hyperlink is taking you to a website outside of Dell Technologies.
CVE-2026-21426 Dell PowerScale OneFS, versions prior to 9.10.1.6 and versions 9.11.0.0 through 9.12.0.1, contains an execution with unnecessary privileges vulnerability. A high privileged attacker with local access could potentially exploit this vulnerability, leading to denial of service, elevation of privileges, and information disclosure. 6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:HThis hyperlink is taking you to a website outside of Dell Technologies.
CVE-2026-21422 Dell PowerScale OneFS, versions 9.10.0.0 through 9.10.1.5 and versions 9.11.0.0 through 9.12.0.1, contains an external control of system or configuration setting vulnerability. A high privileged attacker with local access could potentially exploit this vulnerability, leading to protection mechanism bypass. 3.4 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:LThis hyperlink is taking you to a website outside of Dell Technologies.

 

Proprietary Code CVEs Description CVSS Base Score CVSS Vector String
CVE-2026-21421 Dell PowerScale OneFS, versions prior to 9.10.1.6 and versions 9.11.0.0 through 9.12.0.1, contains an execution with unnecessary privileges vulnerability. A high privileged attacker with local access could potentially exploit this vulnerability, leading to elevation of privileges. 6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:HThis hyperlink is taking you to a website outside of Dell Technologies.
CVE-2026-22270 Dell PowerScale OneFS, versions prior to 9.10.1.6 and versions 9.11.0.0 through 9.12.0.1, contains an uncontrolled search path element vulnerability. A high privileged attacker with local access could potentially exploit this vulnerability, leading to denial of service, elevation of privileges, and information disclosure. 6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:HThis hyperlink is taking you to a website outside of Dell Technologies.
CVE-2026-21423 Dell PowerScale OneFS, versions prior to 9.10.1.6 and versions 9.11.0.0 through 9.12.0.1, contains an incorrect default permissions vulnerability. A high privileged attacker with local access could potentially exploit this vulnerability, leading to code execution, denial of service, elevation of privileges, and information disclosure. 6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:HThis hyperlink is taking you to a website outside of Dell Technologies.
CVE-2026-21424 Dell PowerScale OneFS, versions prior to 9.10.1.6 and versions 9.11.0.0 through 9.12.0.1, contains an execution with unnecessary privileges vulnerability. A high privileged attacker with local access could potentially exploit this vulnerability, leading to Elevation of privileges. 6.7 CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:HThis hyperlink is taking you to a website outside of Dell Technologies.
CVE-2026-21425 Dell PowerScale OneFS, versions prior to 9.10.1.6 and versions 9.11.0.0 through 9.12.0.1, contains an incorrect privilege assignment vulnerability. A low privileged attacker with local access could potentially exploit this vulnerability, leading to Elevation of privileges. 6.7 CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:HThis hyperlink is taking you to a website outside of Dell Technologies.
CVE-2026-21426 Dell PowerScale OneFS, versions prior to 9.10.1.6 and versions 9.11.0.0 through 9.12.0.1, contains an execution with unnecessary privileges vulnerability. A high privileged attacker with local access could potentially exploit this vulnerability, leading to denial of service, elevation of privileges, and information disclosure. 6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:HThis hyperlink is taking you to a website outside of Dell Technologies.
CVE-2026-21422 Dell PowerScale OneFS, versions 9.10.0.0 through 9.10.1.5 and versions 9.11.0.0 through 9.12.0.1, contains an external control of system or configuration setting vulnerability. A high privileged attacker with local access could potentially exploit this vulnerability, leading to protection mechanism bypass. 3.4 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:LThis hyperlink is taking you to a website outside of Dell Technologies.

 

デル・テクノロジーズでは、すべてのお客様に対して、CVSSベース スコアに加えて、特定のセキュリティの脆弱性に付随する潜在的な重要度に影響する可能性のある現状スコアや環境スコアも考慮することをお勧めしています。

影響を受ける製品と修復

CVEs Addressed Product Affected Versions Remediated Versions Link
CVE-2026-21421, CVE-2026-22270, CVE-2026-21423, CVE-2026-21424, CVE-2026-21425, CVE-2026-21426 PowerScale OneFS Versions prior to 9.10.1.6 Version 9.10.1.6 or later PowerScale OneFS Downloads Area
CVE-2026-21421, CVE-2026-22270, CVE-2026-21423, CVE-2026-21424, CVE-2026-21425, CVE-2026-21426, CVE-2026-21422 PowerScale OneFS Versions 9.11.0.0 through 9.12.0.1 Version 9.13.0.0 or later PowerScale OneFS Downloads Area
CVE-2026-21422 PowerScale OneFS Version 9.10.0.0 through 9.10.1.5 Version 9.10.1.6 or later PowerScale OneFS Downloads Area

 

CVEs Addressed Product Affected Versions Remediated Versions Link
CVE-2026-21421, CVE-2026-22270, CVE-2026-21423, CVE-2026-21424, CVE-2026-21425, CVE-2026-21426 PowerScale OneFS Versions prior to 9.10.1.6 Version 9.10.1.6 or later PowerScale OneFS Downloads Area
CVE-2026-21421, CVE-2026-22270, CVE-2026-21423, CVE-2026-21424, CVE-2026-21425, CVE-2026-21426, CVE-2026-21422 PowerScale OneFS Versions 9.11.0.0 through 9.12.0.1 Version 9.13.0.0 or later PowerScale OneFS Downloads Area
CVE-2026-21422 PowerScale OneFS Version 9.10.0.0 through 9.10.1.5 Version 9.10.1.6 or later PowerScale OneFS Downloads Area

 

Notes

  1. We encourage all customers to adopt the Long-Term Support (LTS) 2025 version which is 9.10.1.x code line, with the latest maintenance release.
  2. For more information on LTS code lines, see Dell Infrastructure Solutions Group (ISG) LTS Release Support Customer Summary and Security Update Release Schedule for Supported Versions of Dell PowerScale OneFS.

回避策と緩和策

CVE ID Workaround and Mitigations
CVE‑2026‑21422
Mitigation for customers with a fresh installation of PowerScale OneFS versions 9.10.1.6, 9.13.0.0 and 9.13.0.1:
 
When PowerScale OneFS is installed fresh, the first run of the security checker can overwrite any custom SSH configuration and revert it to the defaults. Therefore, customers should execute following command before making any SSH customizations on the appliance:

isi security check start

Please ensure the security check completes using following command:

isi security check status

 

変更履歴

RevisionDateDescription
1.02026-02-25Initial Release

 

関連情報

Dell Security Advisories and Notices
Dell Vulnerability Response Policy
CVSS Scoring Guide

法的免責事項

対象製品

PowerScale OneFS
文書のプロパティ
文書番号: 000432452
文書の種類: Dell Security Advisory
最終更新: 25 2月 2026
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