Security Bulletin: A vulnerability has been identified in IBM Spectrum Scale that could allow a local, unprivileged user to cause a kernel panic (CVE-2018-1782)

Security Bulletin

Summary

IBM Spectrum Scale could allow a local, unprivileged user to cause a kernel panic on a node running GPFS by accessing a file that is stored on a GPFS file system with mmap, or by executing a crafted file stored on a GPFS file system.

Vulnerability Details

CVEID: CVE-2018-1782
DESCRIPTION: IBM GPFS allows a local, unprivileged user to cause a kernel panic on a node running GPFS by accessing a file that is stored on a GPFS file system with mmap, or by executing a crafted file stored on a GPFS file system.
CVSS Base Score: 6.5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/148805 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H)

Affected Products and Versions

IBM Spectrum Scale V5.0.1.0 and V5.0.1.1

Remediation/Fixes

A fix for this issue is in version 5.0.1.2 and 5.0.2.0 of IBM Spectrum Scale. Customers running an affected version of IBM Spectrum Scale should upgrade to 5.0.1.2 and later PTF's, so that the fix gets applied.

V5.0.1.2 available from FixCentral at

https://www-945.ibm.com/support/fixcentral/swg/selectFixes?parent=Software%20defined%20storage&product=ibm/StorageSoftware/IBM+Spectrum+Scale&release=5.0.1&platform=All&function=all

V5.0.2.0 available from FixCentral at

https://www-945.ibm.com/support/fixcentral/swg/selectFixes?parent=Software defined storage&product=ibm/StorageSoftware/IBM+Spectrum+Scale&release=5.0.2&platform=All&function=all

If you cannot apply the latest level of service, contact IBM Service for an efix

- For IBM Spectrum Scale V5.0.1.x, reference APAR IJ08204

To contact IBM Service, see http://www.ibm.com/planetwide/

Workarounds and Mitigations

None

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References

Complete CVSS v3 Guide
On-line Calculator v3

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Acknowledgement

IBM acknowledges and thanks Ryan Adamson from the Oak Ridge National Laboratory for reporting this security vulnerability in Spectrum Scale.

*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.

Disclaimer

Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.

Internal Use Only

PR - 119358 and Advisory ID : 12946

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Tips

Security Bulletin: A vulnerability has been identified in IBM Spectrum Scale that could allow a local, unprivileged user to cause a kernel panic (CVE-2018-1782)