Advisory Published

USN-1468-1: Linux kernel vulnerability

First published: Tue Jun 12 2012(Updated: )

Schacher Raindel discovered a flaw in the Linux kernel's memory handling when hugetlb is enabled. An unprivileged local attacker could exploit this flaw to cause a denial of service and potentially gain higher privileges.

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/linux-image-2.6.32-41-server<2.6.32-41.90
2.6.32-41.90
Ubuntu 22.04 LTS=10.04
All of
ubuntu/linux-image-2.6.32-41-preempt<2.6.32-41.90
2.6.32-41.90
Ubuntu 22.04 LTS=10.04
All of
ubuntu/linux-image-2.6.32-41-ia64<2.6.32-41.90
2.6.32-41.90
Ubuntu 22.04 LTS=10.04
All of
ubuntu/linux-image-2.6.32-41-generic-pae<2.6.32-41.90
2.6.32-41.90
Ubuntu 22.04 LTS=10.04
All of
ubuntu/linux-image-2.6.32-41-386<2.6.32-41.90
2.6.32-41.90
Ubuntu 22.04 LTS=10.04
All of
ubuntu/linux-image-2.6.32-41-generic<2.6.32-41.90
2.6.32-41.90
Ubuntu 22.04 LTS=10.04
All of
ubuntu/linux-image-2.6.32-41-powerpc<2.6.32-41.90
2.6.32-41.90
Ubuntu 22.04 LTS=10.04
All of
ubuntu/linux-image-2.6.32-41-sparc64<2.6.32-41.90
2.6.32-41.90
Ubuntu 22.04 LTS=10.04
All of
ubuntu/linux-image-2.6.32-41-sparc64-smp<2.6.32-41.90
2.6.32-41.90
Ubuntu 22.04 LTS=10.04
All of
ubuntu/linux-image-2.6.32-41-powerpc-smp<2.6.32-41.90
2.6.32-41.90
Ubuntu 22.04 LTS=10.04
All of
ubuntu/linux-image-2.6.32-41-virtual<2.6.32-41.90
2.6.32-41.90
Ubuntu 22.04 LTS=10.04
All of
ubuntu/linux-image-2.6.32-41-powerpc64-smp<2.6.32-41.90
2.6.32-41.90
Ubuntu 22.04 LTS=10.04
All of
ubuntu/linux-image-2.6.32-41-versatile<2.6.32-41.90
2.6.32-41.90
Ubuntu 22.04 LTS=10.04
All of
ubuntu/linux-image-2.6.32-41-lpia<2.6.32-41.90
2.6.32-41.90
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-1468-1?

    USN-1468-1 is considered a high severity vulnerability that could lead to denial of service and potential privilege escalation.

  • How do I fix USN-1468-1?

    To fix USN-1468-1, you should upgrade the affected Linux kernel packages to version 2.6.32-41.90 or later.

  • What systems are affected by USN-1468-1?

    USN-1468-1 affects various configurations of Ubuntu 10.04 with kernels that have hugetlb enabled.

  • Can USN-1468-1 be exploited remotely?

    No, USN-1468-1 requires local access for exploitation, meaning an attacker must be on the system.

  • What does hugetlb refer to in USN-1468-1?

    Hugetlb refers to huge pages in Linux memory management, which optimize for large memory workloads.

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