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Security Bulletin: A vulnerability in nettle affects PowerKVM

Description

## Summary PowerKVM is affected by a vulnerability in nettle. IBM has now addressed this vulnerability. ## Vulnerability Details **CVEID:** [_CVE-2016-6489_](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-6489>)** DESCRIPTION:** Nettle could allow a remote attacker to obtain sensitive information, caused by a cache-related side channel attack in the RSA and DSA decryption code. An attacker could exploit this vulnerability to recover the private key from a co-located virtual-machine instance and obtain sensitive information. CVSS Base Score: 7.4 CVSS Temporal Score: See [_https://exchange.xforce.ibmcloud.com/vulnerabilities/119042_](<https://exchange.xforce.ibmcloud.com/vulnerabilities/119042>) for the current score CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N) ## Affected Products and Versions PowerKVM 2.1 and 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_](<https://ibm.biz/BdHggw>). This issue is addressed as of 3.1.0.2 update 4 or later. For version 2.1, see [_https://ibm.biz/BdEnT8_](<https://ibm.biz/BdEnT8>). This issue is addressed as of PowerKVM 2.1.1.3-65 update 14 or later. Customers running v2.1 are, in any case, encouraged to upgrade to v3.1. For v2.1 systems currently running fix levels of PowerKVM prior to 2.1.1, please see <http://download4.boulder.ibm.com/sar/CMA/OSA/05e4c/0/README> for prerequisite fixes and instructions. ## Workarounds and Mitigations None ## Get Notified about Future Security Bulletins Subscribe to [My Notifications](< http://www-01.ibm.com/software/support/einfo.html>) to be notified of important product support alerts like this. ### References [Complete CVSS v2 Guide](<http://www.first.org/cvss/v2/guide> "Link resides outside of ibm.com" ) [On-line Calculator v2](<http://nvd.nist.gov/CVSS-v2-Calculator> "Link resides outside of ibm.com" ) [Complete CVSS v3 Guide](<http://www.first.org/cvss/user-guide> "Link resides outside of ibm.com" ) [On-line Calculator v3](<http://www.first.org/cvss/calculator/3.0> "Link resides outside of ibm.com" ) Off ## Related Information [IBM Secure Engineering Web Portal](<http://www.ibm.com/security/secure-engineering/bulletins.html>) [IBM Product Security Incident Response Blog](<http://www.ibm.com/blogs/psirt>) ## Change History 3 Jan 2017 - 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 According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES ""AS IS"" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY. In addition to other efforts to address potential vulnerabilities, IBM periodically updates the record of components contained in our product offerings. As part of that effort, if IBM identifies previously unidentified packages in a product/service inventory, we address relevant vulnerabilities regardless of CVE date. Inclusion of an older CVEID does not demonstrate that the referenced product has been used by IBM since that date, nor that IBM was aware of a vulnerability as of that date. We are making clients aware of relevant vulnerabilities as we become aware of them. "Affected Products and Versions" referenced in IBM Security Bulletins are intended to be only products and versions that are supported by IBM and have not passed their end-of-support or warranty date. Thus, failure to reference unsupported or extended-support products and versions in this Security Bulletin does not constitute a determination by IBM that they are unaffected by the vulnerability. Reference to one or more unsupported versions in this Security Bulletin shall not create an obligation for IBM to provide fixes for any unsupported or extended-support products or versions. [{"Product":{"code":"SSZJY4","label":"PowerKVM"},"Business Unit":{"code":"BU054","label":"Systems w\/TPS"},"Component":"Not Applicable","Platform":[{"code":"PF016","label":"Linux"}],"Version":"2.1;3.1","Edition":"KVM","Line of Business":{"code":"LOB08","label":"Cognitive Systems"}}]


Affected Software


CPE Name Name Version
PowerKVM 2.1
PowerKVM 3.1

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