CVE-2020-4756
First published: Tue Oct 20 2020(Updated: )
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.
Credit: psirt@us.ibm.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| IBM Elastic Storage Server | >=6.0.0.0<=6.0.1.0 | |
| IBM Spectrum Scale | >4.2.0.0<=4.2.3.23 | |
| IBM Spectrum Scale | >5.0.0.0<=5.0.5.2 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2020-4756?
The severity of CVE-2020-4756 is medium.
How does CVE-2020-4756 impact IBM Spectrum Scale and IBM Elastic Storage System?
CVE-2020-4756 could allow a local attacker to crash the kernel and cause a denial of service in 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.
What is the affected software for CVE-2020-4756?
The affected software for CVE-2020-4756 includes IBM Spectrum Scale versions 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 versions 6.0.0 through 6.0.1.0.
How can a local attacker exploit CVE-2020-4756?
A local attacker could invoke a subset of ioctls on the device with invalid arguments, causing a crash in the kernel and resulting in a denial of service.
Where can I find more information about CVE-2020-4756?
More information about CVE-2020-4756 can be found at the following links: - IBM X-Force Exchange: [https://exchange.xforce.ibmcloud.com/vulnerabilities/188599](https://exchange.xforce.ibmcloud.com/vulnerabilities/188599) - IBM Support: [https://www.ibm.com/support/pages/node/6349469](https://www.ibm.com/support/pages/node/6349469) - IBM Support: [https://www.ibm.com/support/pages/node/6349475](https://www.ibm.com/support/pages/node/6349475)
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- agent/softwarecombine
- agent/tags
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- collector/nvd-index
- vendor/ibm
- canonical/ibm elastic storage server
- version/ibm elastic storage server/6.0.0.0
- version/ibm elastic storage server/6.0.1.0
- canonical/ibm spectrum scale
- version/ibm spectrum scale/4.2.3.23
- version/ibm spectrum scale/5.0.5.2