Advisory Published

USN-1557-1: Linux kernel vulnerability

First published: Fri Sep 07 2012(Updated: )

Some errors where discovered in the Linux kernel's UDF file system, which is used to mount some CD-ROMs and DVDs. An unprivileged local user could use these flaws to crash the system.

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/linux-image-2.6.38-15-powerpc<2.6.38-15.66
2.6.38-15.66
Ubuntu 22.04 LTS=11.04
All of
ubuntu/linux-image-2.6.38-15-omap<2.6.38-15.66
2.6.38-15.66
Ubuntu 22.04 LTS=11.04
All of
ubuntu/linux-image-2.6.38-15-generic-pae<2.6.38-15.66
2.6.38-15.66
Ubuntu 22.04 LTS=11.04
All of
ubuntu/linux-image-2.6.38-15-server<2.6.38-15.66
2.6.38-15.66
Ubuntu 22.04 LTS=11.04
All of
ubuntu/linux-image-2.6.38-15-powerpc64-smp<2.6.38-15.66
2.6.38-15.66
Ubuntu 22.04 LTS=11.04
All of
ubuntu/linux-image-2.6.38-15-virtual<2.6.38-15.66
2.6.38-15.66
Ubuntu 22.04 LTS=11.04
All of
ubuntu/linux-image-2.6.38-15-versatile<2.6.38-15.66
2.6.38-15.66
Ubuntu 22.04 LTS=11.04
All of
ubuntu/linux-image-2.6.38-15-generic<2.6.38-15.66
2.6.38-15.66
Ubuntu 22.04 LTS=11.04
All of
ubuntu/linux-image-2.6.38-15-powerpc-smp<2.6.38-15.66
2.6.38-15.66
Ubuntu 22.04 LTS=11.04

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Reference Links

Child vulnerabilities

(Contains the following vulnerabilities)

Frequently Asked Questions

  • What is the severity of USN-1557-1?

    USN-1557-1 has a high severity level as it allows unprivileged local users to potentially crash the system.

  • How do I fix USN-1557-1?

    To fix USN-1557-1, upgrade to the Linux kernel version 2.6.38-15.66 or newer.

  • Which systems are affected by USN-1557-1?

    USN-1557-1 affects Ubuntu 11.04 systems running specific versions of the Linux kernel.

  • Can USN-1557-1 lead to unauthorized access?

    While USN-1557-1 does not directly allow unauthorized access, it can create a denial of service scenario.

  • What types of filesystems are impacted by USN-1557-1?

    USN-1557-1 impacts the UDF file system used for mounting certain CD-ROMs and DVDs in Linux.

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