Linux · Linux Kernel · CVE-2012-4565
**Name of the Vulnerable Software and Affected Versions**
Linux kernel versions prior to 3.4.19
**Description**
The issue allows local users to cause a denial of service, resulting in a divide-by-zero error and OOPS, by reading TCP stats when the net.ipv4.tcp congestion control illinois setting is enabled.
**Recommendations**
For Linux kernel versions prior to 3.4.19, update to version 3.4.19 or later to resolve the issue. As a temporary workaround, consider disabling the net.ipv4.tcp congestion control illinois setting to minimize the risk of exploitation.