Security Bulletin
Summary
There are security vulnerabilities in versions of Linux Kernel that are shipped with versions of IBM Elastic Storage System. A fix for these vulnerabilities is available.
Vulnerability Details
CVEID: CVE-2021-4083
DESCRIPTION: Linux Kernel could allow a local attacker to gain elevated privileges on the system, caused by a read-after-free memory flaw in the garbage collection for Unix domain socket file handlers. By simultaneously calling close() and fget() functions to trigger a race condition, an attacker could exploit this vulnerability to gain elevated privileges or cause the system to crash.
CVSS Base score: 7.4
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/216849 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H)
Affected Products and Versions
| Affected Product(s) | Version(s) |
| IBM Elastic Storage System | 6.0.0 - 6.0.2.5 |
| IBM Elastic Storage System | 6.1.0 - 6.1.2.2 |
Remediation/Fixes
IBM recommends that you fix this vulnerability by upgrading affected versions of IBM Elastic Storage System 3000, 3200 and 5000 to the following code levels or higher:
V6.1.3.0
V6.1.2.3
V6.0.2.6
Workarounds and Mitigations
None
Get Notified about Future Security Bulletins
References
Change History
16 May 2022: 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:
23 May 2022
UID
ibm16589113