|Bugzilla:||871848: CVE-2012-4565 kernel: net: divide by zero in tcp algorithm illinois|
The MITRE CVE dictionary describes this issue as:
The tcp_illinois_info function in net/ipv4/tcp_illinois.c in the Linux kernel before 3.4.19, when the net.ipv4.tcp_congestion_control illinois setting is enabled, allows local users to cause a denial of service (divide-by-zero error and OOPS) by reading TCP stats.
This issue did not affect the version of Linux kernel as shipped with Red Hat Enterprise Linux 5.
This issue did affect the version of Linux kernel as shipped with Red Hat Enterprise Linux 6.
This issue did affect the version of Linux kernel as shipped with Red Hat Enterprise MRG 2.
CVSS v2 metrics
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Red Hat security errata
|MRG Grid for RHEL 6 Server v.2 (kernel-rt)||RHSA-2012:1491||December 04, 2012|
|Red Hat Enterprise Linux version 6 (kernel)||RHSA-2012:1580||December 18, 2012|
This issue was discovered by Rodrigo Freire of Red Hat.
This page is generated automatically and has not been checked for errors or omissions.
For clarification or corrections please contact the Red Hat Security Response Team.