SB2005112302 - Improper input validation in Linux kernel



SB2005112302 - Improper input validation in Linux kernel

Published: November 23, 2005

Security Bulletin ID SB2005112302
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Improper input validation (CVE-ID: CVE-2005-3783)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The ptrace functionality (ptrace.c) in Linux kernel 2.6 before 2.6.14.2, using CLONE_THREAD, does not use the thread group ID to check whether it is attaching to itself, which allows local users to cause a denial of service (crash).


Remediation

Install update from vendor's website.