TOCTOU Race Condition in Dell PowerScale OneFS
CVE-2026-22281

3.5LOW

Key Information:

Vendor

Dell
Status
Powerscale Onefs
Vendor
CVE Published:
22 January 2026

What is CVE-2026-22281?

A race condition vulnerability exists in Dell PowerScale OneFS, specifically affecting several versions between 9.5.0.0 and pre-9.13.0.0. This time-of-check time-of-use (TOCTOU) flaw allows a low privileged attacker with network access to exploit the condition, potentially resulting in a denial of service. Organizations using the affected versions should apply security updates to mitigate this risk and ensure the integrity of their systems.

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Affected Version(s)

PowerScale OneFS < 9.13.0.0

PowerScale OneFS < 9.5.1.6

PowerScale OneFS < 9.7.1.11

References

https://www.dell.com/support/kbdoc/en-us/000415586/dsa-20...
vendor-advisory

CVSS V3.1

Score:
3.5
Severity:
LOW
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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