Security Bulletin
Summary
PowerKVM is affected by a vulnerability in libfuse. IBM has now addressed this vulnerability.
Vulnerability Details
CVEID: CVE-2018-10906
DESCRIPTION: libfuse could allow a remote attacker to bypass security restrictions, caused by an error when SELinux is active. An attacker could exploit this vulnerability to bypass the "allow_other" mount option.
CVSS Base Score: 5.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/147321 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)
Affected Products and Versions
PowerKVM 3.1
Remediation/Fixes
Customers can update PowerKVM systems by using "yum update".
Fix images are made available via Fix Central. For version 3.1, see https://ibm.biz/BdHggw. This issue is addressed starting with v3.1.0.2 update 16.
Workarounds and Mitigations
none
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References
Change History
28 September 2018 - Initial Version
*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.
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Document Information
Modified date:
17 December 2018
UID
ibm10738769