SB2006080501 - Improper access control in Linux kernel



SB2006080501 - Improper access control in Linux kernel

Published: August 5, 2006

Security Bulletin ID SB2006080501
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 access control (CVE-ID: CVE-2006-3634)

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

The (1) __futex_atomic_op and (2) futex_atomic_cmpxchg_inatomic functions in Linux kernel 2.6.17-rc4 to 2.6.18-rc2 perform the atomic futex operation in the kernel address space instead of the user address space, which allows local users to cause a denial of service (crash).


Remediation

Install update from vendor's website.