DSA-2026-038: Security Update for Dell PowerScale OneFS Multiple Vulnerabilities
Sammanfattning: 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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Påverkan
Medium
Information
| 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:H |
| 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:H |
| 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:H |
| 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:H |
| 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:H |
| 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:H |
| CVE-2026-21422 | Dell PowerScale OneFS, versions 9.10.0.0 through 9.13.1.0, 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:L |
| 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:H |
| 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:H |
| 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:H |
| 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:H |
| 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:H |
| 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:H |
| CVE-2026-21422 | Dell PowerScale OneFS, versions 9.10.0.0 through 9.13.1.0, 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:L |
Berörda produkter och åtgärder
| 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 9.13.1.0 | Version 9.14.0.0 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 9.13.1.0 | Version 9.14.0.0 or later | PowerScale OneFS Downloads Area |
Notes
- 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.
- 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.
Lösningar och åtgärder
| CVE ID | Workaround and Mitigations |
| CVE‑2026‑21422 |
Issue: During the first time installation of Dell PowerScale OneFS versions 9.10.0.0 through 9.13.1.0, the initial run of the Security Checker will reset the SSH configuration to default settings. Note: Systems that reach these versions through an upgrade path retain their existing (custom) SSH configuration and are therefore not affected.
Remediation: Customers who intend to modify the default SSH settings must allow Security Checker to complete its first run before applying any custom SSH settings. To do this, run the following commands: 1. Start the Security Checker:
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Revideringshistorik
| Revision | Date | Description |
| 1.0 | 2026-02-25 | Initial Release |
| 2.0 | 2026-04-29 | Major update: Revised affected version range and mitigation guidance for CVE‑2026‑21422 |
Relaterad information
Juridisk friskrivning
Berörda produkter
PowerScale OneFSArtikelegenskaper
Artikelnummer: 000432452
Artikeltyp: Dell Security Advisory
Senast ändrad: 29 apr. 2026
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