Security Bulletin
Summary
PowerKVM is affected by a vulnerability in the Linux kernel . IBM has now addressed thie vulnerability.
Vulnerability Details
CVEID: CVE-2017-8824
DESCRIPTION: Linux Kernel could allow a local attacker to gain elevated privileges on the system, caused by a use-after-free in the dccp_disconnect function in net/dccp/proto.c. By using a specially-crafted system call, an attacker could exploit this vulnerability to gain privileges or cause a denial of service.
CVSS Base Score: 5.9
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/135913 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)
Affected Products and Versions
PowerKVM v3.1
Remediation/Fixes
Customers can update PowerKVM systems by using "yum update".
Fix images are made available via Fix Central. See https://ibm.biz/BdHggw. This issue is addressed starting with v3.1.0.2 update 13.
Workarounds and Mitigations
none
Get Notified about Future Security Bulletins
References
Change History
23 Apr 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.
Was this topic helpful?
Document Information
Modified date:
17 June 2018
UID
isg3T1027164