CWE
400
Advisory Published
CVE Published
Updated

CVE-2012-0879

First published: Thu Feb 23 2012(Updated: )

The I/O implementation for block devices in the Linux kernel before 2.6.33 does not properly handle the CLONE_IO feature, which allows local users to cause a denial of service (I/O instability) by starting multiple processes that share an I/O context.

Credit: secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
Linux Kernel<2.6.33
Ubuntu Linux=10.04
Debian GNU/Linux=6.0
SUSE Linux Enterprise Desktop with Beagle=11-sp1
SUSE Linux Enterprise Desktop with Beagle=11-sp2
SUSE Linux Enterprise High Availability=11-sp1
SUSE Linux Enterprise Server=11-sp1
suse linux enterprise server vmware=11-sp1
SUSE Linux Enterprise Server=11-sp2

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Frequently Asked Questions

  • What is the severity of CVE-2012-0879?

    CVE-2012-0879 has a moderate severity rating as it can lead to denial of service and I/O instability.

  • What systems are affected by CVE-2012-0879?

    CVE-2012-0879 affects various versions of the Linux kernel prior to 2.6.33, as well as some specific Linux distributions like Ubuntu 10.04 and Debian 6.0.

  • How do I fix CVE-2012-0879?

    To fix CVE-2012-0879, users should upgrade to a Linux kernel version that is 2.6.33 or later.

  • What exploit is associated with CVE-2012-0879?

    CVE-2012-0879 is exploited through the improper handling of the CLONE_IO feature which allows local users to create I/O instability.

  • What is the impact of CVE-2012-0879?

    The impact of CVE-2012-0879 is primarily the potential for denial of service attacks that disrupt I/O operations on affected systems.

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