CVE-2020-4411
mediumpriority · track · 28EPSS 0.003 · 27 %ileEUUSEPSS · scored 2026-10-27
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 4.9–7.1
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (6)
Products and version ranges known to be affected.
also known as (3)
Other names and identifiers for this entity.
sources
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references (15)
External citations — patches, advisories, analysis.
- http://www.nsfocus.net/vulndb/48804cnnvd
- https://exchange.xforce.ibmcloud.com/vulnerabilities/179986cnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2020-4411cnnvd
- https://vigilance.fr/vulnerability/IBM-Spectrum-Scale-denial-of-service-via-Kernel-Module-33307cnnvd
- https://www.ibm.com/blogs/psirt/security-bulletin-a-vulnerability-has-been-identified-in-ibm-spectrum-scale-where-an-unprivileged-local-user-may-cause-a-denial-of-service-cve-2020-4411-2/cnnvd
- https://www.ibm.com/blogs/psirt/security-bulletin-a-vulnerability-has-been-identified-in-ibm-spectrum-scale-where-an-unprivileged-local-user-may-cause-a-denial-of-service-cve-2020-4411/cnnvd
- https://www.ibm.com/blogs/psirt/security-bulletin-a-vulnerability-has-been-identified-in-ibm-spectrum-scale-where-an-unprivileged-user-to-cause-denial-of-service-in-kernal-cve-2020-4411/cnnvd
- https://www.ibm.com/blogs/psirt/security-bulletin-a-vulnerability-in-ibm-spectrum-scale-packaged-in-ibm-elastic-storage-server-could-cause-a-denial-of-service-cve-2020-4411/cnnvd
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