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Security Bulletin: Multiple vulnerabilities in the Linux Kernel used in IBM Elastic Storage System

Security Bulletin


Summary

There are security vulnerabilities in versions of the Linux Kernel that are shipped with the Elastic Storage System. A fix for these vulnerabilities in available.

Vulnerability Details

CVEID:   CVE-2020-1749
DESCRIPTION:   Linux Kernel could allow a remote attacker to obtain sensitive information, caused by an error in the implementation of some ipv6 protocols in encrypted Ipsec tunnels. By using man-in-the-middle attack techniques, an attacker could exploit this vulnerability to read the traffic unencrypted.
CVSS Base score: 5.9
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/181872 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N)

CVEID:   CVE-2020-10720
DESCRIPTION:   Linux Kernel is vulnerable to a denial of service, caused by a use-after-free read in napi_gro_frags(). By providing a page fragment of exactly 14 bytes, a remote attacker could exploit this vulnerability to crash the system.
CVSS Base score: 5.9
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/181869 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H)

Affected Products and Versions

Affected Product(s)Version(s)
IBM Elastic Storage System6.0.0 - 6.0.1.0

Remediation/Fixes

IBM recommends that you fix this vulnerability by upgrading affected versions of IBM Elastic Storage System 3000 and 5000 to the following code levels or higher:

V6.0.1.1

https://www.ibm.com/support/fixcentral/swg/selectFixes?parent=Software%20defined%20storage&product=ibm/StorageSoftware/IBM+Elastic+Storage+Server+(ESS)&release=6.0.0&platform=Linux+64-bit,x86_64&function=all

https://www.ibm.com/support/fixcentral/swg/selectFixes?parent=Software%20defined%20storage&product=ibm/StorageSoftware/IBM+Elastic+Storage+Server+(ESS)&release=6.0.0&platform=Linux+PPC64LE&function=all

Workarounds and Mitigations

None

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References

Complete CVSS v3 Guide
On-line Calculator v3

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Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Acknowledgement

Change History

16 Oct 2020: 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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Document Information

Modified date:
19 October 2020

Initial Publish date:
16 October 2020

UID

ibm16349193

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