CVE-2020-4411

Severity: high (CVSS 7.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-05-19 · updated 2026-06-17
Weakness: CWE-20

Description

The Spectrum Scale 4.2.0.0 through 4.2.3.21 and 5.0.0.0 through 5.0.4.3 file system component is affected by a denial of service vulnerability in its kernel module that could allow an attacker to cause a denial of service condition on the affected system. To exploit this vulnerability, a local attacker could invoke a subset of ioctls on the Spectrum Scale device with non-valid arguments. This could allow the attacker to crash the kernel. IBM X-Force ID: 179986.

Affected products

IBM Spectrum Scale: from 4.2.0.0 through 4.2.3.21; from 5.0.0.0 through 5.0.4.3

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/179986
https://www.ibm.com/support/pages/node/6209002
https://exchange.xforce.ibmcloud.com/vulnerabilities/179986
https://www.ibm.com/support/pages/node/6209002

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