Advisory Published

USN-1535-1: Linux kernel vulnerabilities

First published: Fri Aug 10 2012(Updated: )

An error was discovered in the Linux kernel's network TUN/TAP device implementation. A local user with access to the TUN/TAP interface (which is not available to unprivileged users until granted by a root user) could exploit this flaw to crash the system or potential gain administrative privileges. (CVE-2012-2136) An error was discovered in the Linux kernel's memory subsystem (hugetlb). An unprivileged local user could exploit this flaw to cause a denial of service (crash the system). (CVE-2012-2390)

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/linux-image-2.6.32-42-386<2.6.32-42.95
2.6.32-42.95
Ubuntu 22.04 LTS=10.04
All of
ubuntu/linux-image-2.6.32-42-powerpc<2.6.32-42.95
2.6.32-42.95
Ubuntu 22.04 LTS=10.04
All of
ubuntu/linux-image-2.6.32-42-powerpc64-smp<2.6.32-42.95
2.6.32-42.95
Ubuntu 22.04 LTS=10.04
All of
ubuntu/linux-image-2.6.32-42-generic-pae<2.6.32-42.95
2.6.32-42.95
Ubuntu 22.04 LTS=10.04
All of
ubuntu/linux-image-2.6.32-42-sparc64<2.6.32-42.95
2.6.32-42.95
Ubuntu 22.04 LTS=10.04
All of
ubuntu/linux-image-2.6.32-42-generic<2.6.32-42.95
2.6.32-42.95
Ubuntu 22.04 LTS=10.04
All of
ubuntu/linux-image-2.6.32-42-versatile<2.6.32-42.95
2.6.32-42.95
Ubuntu 22.04 LTS=10.04
All of
ubuntu/linux-image-2.6.32-42-virtual<2.6.32-42.95
2.6.32-42.95
Ubuntu 22.04 LTS=10.04
All of
ubuntu/linux-image-2.6.32-42-server<2.6.32-42.95
2.6.32-42.95
Ubuntu 22.04 LTS=10.04
All of
ubuntu/linux-image-2.6.32-42-ia64<2.6.32-42.95
2.6.32-42.95
Ubuntu 22.04 LTS=10.04
All of
ubuntu/linux-image-2.6.32-42-sparc64-smp<2.6.32-42.95
2.6.32-42.95
Ubuntu 22.04 LTS=10.04
All of
ubuntu/linux-image-2.6.32-42-preempt<2.6.32-42.95
2.6.32-42.95
Ubuntu 22.04 LTS=10.04
All of
ubuntu/linux-image-2.6.32-42-powerpc-smp<2.6.32-42.95
2.6.32-42.95
Ubuntu 22.04 LTS=10.04
All of
ubuntu/linux-image-2.6.32-42-lpia<2.6.32-42.95
2.6.32-42.95
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-1535-1?

    The severity of USN-1535-1 is classified as high due to the potential for local users to crash the system or escalate privileges.

  • How do I fix USN-1535-1?

    To fix USN-1535-1, you must update your system to the latest kernel version provided for Ubuntu 10.04.

  • What systems are affected by USN-1535-1?

    USN-1535-1 affects Ubuntu 10.04 and its kernel variants including the 2.6.32-42 series.

  • Is there a workaround for USN-1535-1?

    A potential workaround for USN-1535-1 is to limit access to the TUN/TAP interface to only trusted users.

  • What does USN-1535-1 address?

    USN-1535-1 addresses a vulnerability in the Linux kernel's network TUN/TAP device implementation, allowing crashes and privilege escalation.

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