Advisory Published

USN-2266-1: Linux kernel vulnerability

First published: Sat Jul 05 2014(Updated: )

Andy Lutomirski discovered a flaw with the Linux kernel's ptrace syscall on x86_64 processors. An attacker could exploit this flaw to cause a denial of service (System Crash) or potential gain administrative privileges.

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/linux-image-2.6.32-62-powerpc-smp<2.6.32-62.126
2.6.32-62.126
Ubuntu 22.04 LTS=10.04
All of
ubuntu/linux-image-2.6.32-62-versatile<2.6.32-62.126
2.6.32-62.126
Ubuntu 22.04 LTS=10.04
All of
ubuntu/linux-image-2.6.32-62-server<2.6.32-62.126
2.6.32-62.126
Ubuntu 22.04 LTS=10.04
All of
ubuntu/linux-image-2.6.32-62-powerpc64-smp<2.6.32-62.126
2.6.32-62.126
Ubuntu 22.04 LTS=10.04
All of
ubuntu/linux-image-2.6.32-62-lpia<2.6.32-62.126
2.6.32-62.126
Ubuntu 22.04 LTS=10.04
All of
ubuntu/linux-image-2.6.32-62-386<2.6.32-62.126
2.6.32-62.126
Ubuntu 22.04 LTS=10.04
All of
ubuntu/linux-image-2.6.32-62-generic-pae<2.6.32-62.126
2.6.32-62.126
Ubuntu 22.04 LTS=10.04
All of
ubuntu/linux-image-2.6.32-62-sparc64-smp<2.6.32-62.126
2.6.32-62.126
Ubuntu 22.04 LTS=10.04
All of
ubuntu/linux-image-2.6.32-62-preempt<2.6.32-62.126
2.6.32-62.126
Ubuntu 22.04 LTS=10.04
All of
ubuntu/linux-image-2.6.32-62-sparc64<2.6.32-62.126
2.6.32-62.126
Ubuntu 22.04 LTS=10.04
All of
ubuntu/linux-image-2.6.32-62-virtual<2.6.32-62.126
2.6.32-62.126
Ubuntu 22.04 LTS=10.04
All of
ubuntu/linux-image-2.6.32-62-ia64<2.6.32-62.126
2.6.32-62.126
Ubuntu 22.04 LTS=10.04
All of
ubuntu/linux-image-2.6.32-62-generic<2.6.32-62.126
2.6.32-62.126
Ubuntu 22.04 LTS=10.04
All of
ubuntu/linux-image-2.6.32-62-powerpc<2.6.32-62.126
2.6.32-62.126
Ubuntu 22.04 LTS=10.04

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Reference Links

Child vulnerabilities

(Contains the following vulnerabilities)

Frequently Asked Questions

  • What is the severity of USN-2266-1?

    The severity of USN-2266-1 is critical as it allows potential denial of service or unauthorized administrative privileges.

  • How do I fix USN-2266-1?

    To fix USN-2266-1, update the Linux kernel to the version 2.6.32-62.126 or higher.

  • Which systems are affected by USN-2266-1?

    USN-2266-1 affects Ubuntu 10.04 systems running specific packages of the Linux kernel.

  • What kind of attack does USN-2266-1 enable?

    USN-2266-1 enables denial of service attacks or potential privilege escalation by exploiting a flaw in the ptrace syscall.

  • Is there a workaround for USN-2266-1 until I can update?

    Currently, there is no documented workaround for USN-2266-1; immediate updating is recommended.

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