Security Bulletin
Summary
IBM has announced a release for IBM Security Identity Governance and Intelligence (IGI) in response to security vulnerability. A vulnerability in the Linux kernel, included in IBM Security Identity Governance and Intelligence (IGI), affects the way the Linux kernel handles reassembly of fragmented IPv4 and IPv6 packets. By sending specially crafted IP fragments with random offsets, a remote attacker could exploit this vulnerability to exhaust all available CPU resources and cause a denial of service.
Vulnerability Details
DESCRIPTION: Linux Kernel is vulnerable to a denial of service, caused by the improper handling of the reassembly of fragmented IPv4 and IPv6 packets by the IP implementation. By sending specially crafted IP fragments with random offsets, a remote attacker could exploit this vulnerability to exhaust all available CPU resources and cause a denial of service.
CVSS Base Score: 7.5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/148388 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
Remediation/Fixes
Product Name |
VRMF | First Fix |
IGI | 5.2.4 | 5.2.5.0-ISS-SIGI-FP0000 |
IGI | 5.2.4.1 | 5.2.5.0-ISS-SIGI-FP0000 |
Workarounds and Mitigations
Get Notified about Future Security Bulletins
References
Change History
09 July 2019: Original Version Published
*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.
Internal Use Only
Document Location
Worldwide
Product Synonym
IGI; IGA
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Document Information
Modified date:
19 July 2019
UID
ibm10958679