Security Bulletin: A vulnerability in bind affects PowerKVM

Summary

PowerKVM is affected by a vulnerability in ISC Bind. IBM has now addressed this vulnerability.

Vulnerability Details

CVEID: CVE-2017-3145**
DESCRIPTION:** ISC BIND is vulnerable to a denial of service, caused by a use-after-free when improperly sequencing cleanup operations on upstream recursion fetch contexts. A remote attacker could exploit this vulnerability to make named crash with an assertion failure.
CVSS Base Score: 7.5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/137694 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:N/A:H)

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 13.

Workarounds and Mitigations

none