SB2012122111 - Input validation error in Linux kernel

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Main Vulnerability Database SB2012122111

SB2012122111 - Input validation error in Linux kernel

Published: December 21, 2012 Updated: August 11, 2020

Security Bulletin ID SB2012122111
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Input validation error (CVE-ID: CVE-2012-4565)

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

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.


Remediation

Install update from vendor's website.

References