SB2009081402 - Race condition in Linux kernel proc



SB2009081402 - Race condition in Linux kernel proc

Published: August 14, 2009

Security Bulletin ID SB2009081402
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Information disclosure

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Race condition (CVE-ID: CVE-2009-2691)

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to a race condition within the m_start() function in fs/proc/task_nommu.c, within the m_start() function in fs/proc/task_mmu.c, within the check_mem_permission() and mm_for_maps() functions in fs/proc/base.c. A local user can gain access to sensitive information.


Remediation

Install update from vendor's website.