Dell PowerScale OneFS up to 9.13.0.0 toctou

Summaryinfo

A vulnerability, which was classified as problematic, was found in Dell PowerScale OneFS up to 9.13.0.0. Affected is an unknown function. Executing a manipulation can lead to toctou. The identification of this vulnerability is CVE-2026-22281. The attack needs to be done within the local network. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Dell PowerScale OneFS up to 9.13.0.0. It has been declared as problematic. This vulnerability affects some unknown functionality. The manipulation with an unknown input leads to a toctou vulnerability. The CWE definition for the vulnerability is CWE-367. The product checks the state of a resource before using that resource, but the resource's state can change between the check and the use in a way that invalidates the results of the check. This can cause the product to perform invalid actions when the resource is in an unexpected state. As an impact it is known to affect availability. CVE summarizes:

Dell PowerScale OneFS, versions 9.5.0.0 through 9.5.1.5, versions 9.6.0.0 through 9.7.1.10, versions 9.8.0.0 through 9.10.1.3, versions starting from 9.11.0.0 and prior to 9.13.0.0, contains a Time-of-check Time-of-use (TOCTOU) race condition vulnerability. A low privileged attacker with adjacent network access could potentially exploit this vulnerability, leading to denial of service.

The advisory is shared for download at dell.com. This vulnerability was named CVE-2026-22281 since 01/07/2026. The exploitation appears to be easy. The attack can only be initiated within the local network. There are neither technical details nor an exploit publicly available.

Upgrading to version 9.5.1.6, 9.7.1.11, 9.10.1.4 or 9.13.0.0 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-3786). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

• Dell

Name

• PowerScale OneFS

Version

• 9.5.0
• 9.5.1.0
• 9.5.1.1
• 9.5.1.2
• 9.5.1.3
• 9.5.1.4
• 9.5.1.5
• 9.6.0
• 9.7.1.0
• 9.7.1.1
• 9.7.1.2
• 9.7.1.3
• 9.7.1.4
• 9.7.1.5
• 9.7.1.6
• 9.7.1.7
• 9.7.1.8
• 9.7.1.9
• 9.7.1.10
• 9.8.0
• 9.10.1.0
• 9.10.1.1
• 9.10.1.2
• 9.10.1.3
• 9.11.0
• 9.13.0

License

• commercial

Website

• Vendor: https://www.dell.com/

CPE 2.3info

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CPE 2.2info

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Once again VulDB remains the best source for vulnerability data.

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