[Trisquel-security] [USN-1411-1] Linux kernel vulnerability

[John Johansen]

==========================================================================
Ubuntu Security Notice USN-1411-1
March 27, 2012

linux vulnerability
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 10.04 LTS

Summary:

The system could be made to crash under certain conditions.

Software Description:
- linux: Linux kernel

Details:

Louis Rilling discovered a flaw in Linux kernel's clone command when
CLONE_IO is specified. An unprivileged local user could exploit this to
cause a denial of service.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 10.04 LTS:
  linux-image-2.6.32-40-386       2.6.32-40.87
  linux-image-2.6.32-40-generic   2.6.32-40.87
  linux-image-2.6.32-40-generic-pae  2.6.32-40.87
  linux-image-2.6.32-40-ia64      2.6.32-40.87
  linux-image-2.6.32-40-lpia      2.6.32-40.87
  linux-image-2.6.32-40-powerpc   2.6.32-40.87
  linux-image-2.6.32-40-powerpc-smp  2.6.32-40.87
  linux-image-2.6.32-40-powerpc64-smp  2.6.32-40.87
  linux-image-2.6.32-40-preempt   2.6.32-40.87
  linux-image-2.6.32-40-server    2.6.32-40.87
  linux-image-2.6.32-40-sparc64   2.6.32-40.87
  linux-image-2.6.32-40-sparc64-smp  2.6.32-40.87
  linux-image-2.6.32-40-versatile  2.6.32-40.87
  linux-image-2.6.32-40-virtual   2.6.32-40.87

After a standard system update you need to reboot your computer to make
all the necessary changes.

ATTENTION: Due to an unavoidable ABI change the kernel updates have
been given a new version number, which requires you to recompile and
reinstall all third party kernel modules you might have installed. If
you use linux-restricted-modules, you have to update that package as
well to get modules which work with the new kernel version. Unless you
manually uninstalled the standard kernel metapackages (e.g. linux-generic,
linux-server, linux-powerpc), a standard system upgrade will automatically
perform this as well.

References:
  http://www.ubuntu.com/usn/usn-1411-1
  CVE-2012-0879

Package Information:
  https://launchpad.net/ubuntu/+source/linux/2.6.32-40.87

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