Security Bulletin: Vulnerabilities in the Linux kernel affect IBM SAN Volume Controller, IBM Storwize, IBM Spectrum Virtualize and IBM FlashSystem V9000 products

Security Bulletin

Summary

Multiple vulnerabilities in the Linux kernel could allow an authenticated attacker to obtain sensitive information.

Vulnerability Details

CVEID: CVE-2020-10732
DESCRIPTION: Linux Kernel could allow a local authenticated attacker to obtain sensitive information, caused by a flaw in the implementation of Userspace core dumps. By sending a specially crafted request, an attacker could exploit this vulnerability to obtain sensitive information or cause a program to crash.
CVSS Base score: 3.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/181554 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N)

CVEID: CVE-2020-10774
DESCRIPTION: Linux Kernel could allow a local authenticated attacker to obtain sensitive information, caused by a flaw in the sysctl subsystem. By reading the file /proc/sys/kernel/rh_features, an attacker could exploit this vulnerability to obtain uninitialized values from the kernel memory.
CVSS Base score: 5.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/192481 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N)

Affected Products and Versions

IBM SAN Volume Controller
IBM Storwize V7000
IBM Storwize V5000
IBM Storwize V5100
IBM FlashSystem V9000
IBM FlashSystem 9100 Family
IBM FlashSystem 9200
IBM FlashSystem 7200
IBM FlashSystem 5200
IBM FlashSystem 5000
IBM Spectrum Virtualize Software
IBM Spectrum Virtualize for Public Cloud

All products are affected when running supported version 8.4 (except 8.4.2.0 and later).

Remediation/Fixes

IBM recommends that you fix this vulnerability by upgrading affected versions of IBM SAN Volume Controller, IBM Storwize V7000, IBM Storwize V5000 and V5100, IBM Storwize V5000E, IBM Spectrum Virtualize Software, IBM Spectrum Virtualize for Public Cloud, IBM FlashSystem V9000, IBM FlashSystem 9100 Family, IBM FlashSystem 9200, IBM FlashSystem 7200, IBM FlashSystem 5200 and IBM FlashSystem 5000 to the following code levels or higher:

8.4.0.5

8.4.2.0

Latest IBM SAN Volume Controller Code
Latest IBM Storwize V7000 Code
Latest IBM Storwize V5000 and V5100 Code
Latest IBM Storwize V5000E Code
Latest IBM FlashSystem V9000 Code
Latest IBM FlashSystem 9100 Family Code
Latest IBM FlashSystem 9200 Code
Latest IBM FlashSystem 7200 Code
Latest IBM FlashSystem 5000 and 5200 Code
Latest IBM Spectrum Virtualize Software
Latest IBM Spectrum Virtualize for Public Cloud

For the Storage Nodes of IBM FlashSystem 900, please apply the fixes recommended in the IBM FlashSystem security bulletin for this issue.

Workarounds and Mitigations

None

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References

Complete CVSS v3 Guide
On-line Calculator v3

Off

Acknowledgement

Change History

07 Oct 2021: Initial Publication

*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.

Document Location

Worldwide

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Tips

Security Bulletin: Vulnerabilities in the Linux kernel affect IBM SAN Volume Controller, IBM Storwize, IBM Spectrum Virtualize and IBM FlashSystem V9000 products