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5.5

CVE-2020-4756: IBM Spectrum Scale V4.2.0.0 through V4.2.3.23 and V5.0.0.0 through V5.0.5.2 as well as IBM Elastic Storage System 6.0.0 through 6.0.1.0 could allow a local attacker to invoke a subset of ioctls on ...

CVE-2020-4756 · published 6 years ago
Summary

IBM Spectrum Scale V4.2.0.0 through V4.2.3.23 and V5.0.0.0 through V5.0.5.2 as well as IBM Elastic Storage System 6.0.0 through 6.0.1.0 could allow a local attacker to invoke a subset of ioctls on the device with invalid arguments that could crash the keneral and cause a denial of service. IBM X-For...

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
ibm elastic_storage_server >= 6.0.0.0, <= 6.0.1.0
cpe:2.3:a:ibm:elastic_storage_server:*:*:*:*:*:*:*:*
ibm spectrum_scale > 4.2.0.0, <= 4.2.3.23
> 5.0.0.0, <= 5.0.5.2
cpe:2.3:a:ibm:spectrum_scale:*:*:*:*:*:*:*:*
Original advisory text
IBM Spectrum Scale V4.2.0.0 through V4.2.3.23 and V5.0.0.0 through V5.0.5.2 as well as IBM Elastic Storage System 6.0.0 through 6.0.1.0 could allow a local attacker to invoke a subset of ioctls on ...
IBM Spectrum Scale V4.2.0.0 through V4.2.3.23 and V5.0.0.0 through V5.0.5.2 as well as IBM Elastic Storage System 6.0.0 through 6.0.1.0 could allow a local attacker to invoke a subset of ioctls on the device with invalid arguments that could crash the keneral and cause a denial of service. IBM X-Force ID: 188599.
Fix within
Internet-facing 60 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit (estimated)
  • Gives an attacker partial control (estimated)
Severity
5.5 Medium
Exploitation
<1% chance of attack within 30 days
Type
CWE-404Improper Resource Shutdown or Release
Timeline
Published20 Oct 2020
Updated4 Nov 2026
First seen29 Sep 2026
Sources
CVE-2020-4756 · NVD
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