Red Hat released an update to the core operating system called Linux kernel, which fixes several security holes for RHEL 5.x This update has been classified as an important safety. They recommend that all users who download the update package from the kernel.

Security patches:

  1. The lack of a verification capability was found in the Linux kernel routine do_change_type. This could allow an unprivileged local user can gain privileged access or cause a denial of service. (CVE-2008-2931, important)
  2. A flaw was found in the Linux kernel in the implementation Direct-IO. Esto podría permitir a un usuario local sin privilegios para causar una denegación de servicio. (CVE-2007-6716, important)
  3. Tobias Klein reported a lack of control in the Linux kernel in the implementation of the Open Sound System (OSS). This weakness could lead to a possible leak of information. (CVE-2008-3272, Moderate)
  4. A deficiency was found in the Linux operating system kernel, within the implementation of virtual file (VFS). This could allow an unprivileged local user to attempt the creation of a file within the directories removed, possibly causing a denial of service. (CVE-2008-3275, Moderate)
  5. A flaw was found tmpfs the implementation of the kernel. This could allow an unprivileged local user to read sensitive information from the kernel. (CVE-2007-6417, Moderate) (CVE-2007-6417, Moderate)

Bug fix

  1. In systems with servers samba with intensive use can be stopped after 24 to 48 hours of use.
  2. In some systems, if there are multiple pairs of tail Infiniband simultaneously reporting error status, can cause an overrun by stopping traffic.

How can I update my kernel?

Login as root and type: 

  [root @ redhatserver ~] # uname-mrs 
  [root @ redhatserver ~] # yum update 
  [root @ redhatserver ~] # reboot 
  [root @ redhatserver ~] # uname-mrs


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