Advisory Published

USN-1568-1: Linux kernel vulnerabilities

First published: Fri Sep 14 2012(Updated: )

Ben Hutchings reported a flaw in the Linux kernel with some network drivers that support TSO (TCP segment offload). A local or peer user could exploit this flaw to to cause a denial of service. (CVE-2012-3412) Jay Fenlason and Doug Ledford discovered a bug in the Linux kernel implementation of RDS sockets. A local unprivileged user could potentially use this flaw to read privileged information from the kernel. (CVE-2012-3430)

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/linux-image-3.0.0-26-omap<3.0.0-26.42
3.0.0-26.42
Ubuntu 22.04 LTS=11.10
All of
ubuntu/linux-image-3.0.0-26-powerpc-smp<3.0.0-26.42
3.0.0-26.42
Ubuntu 22.04 LTS=11.10
All of
ubuntu/linux-image-3.0.0-26-server<3.0.0-26.42
3.0.0-26.42
Ubuntu 22.04 LTS=11.10
All of
ubuntu/linux-image-3.0.0-26-generic<3.0.0-26.42
3.0.0-26.42
Ubuntu 22.04 LTS=11.10
All of
ubuntu/linux-image-3.0.0-26-powerpc<3.0.0-26.42
3.0.0-26.42
Ubuntu 22.04 LTS=11.10
All of
ubuntu/linux-image-3.0.0-26-virtual<3.0.0-26.42
3.0.0-26.42
Ubuntu 22.04 LTS=11.10
All of
ubuntu/linux-image-3.0.0-26-generic-pae<3.0.0-26.42
3.0.0-26.42
Ubuntu 22.04 LTS=11.10
All of
ubuntu/linux-image-3.0.0-26-powerpc64-smp<3.0.0-26.42
3.0.0-26.42
Ubuntu 22.04 LTS=11.10

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Child vulnerabilities

(Contains the following vulnerabilities)

Frequently Asked Questions

  • What is the severity of USN-1568-1?

    The severity of USN-1568-1 is classified as a denial of service vulnerability in the Linux kernel.

  • How do I fix USN-1568-1?

    To fix USN-1568-1, upgrade to the linux image version 3.0.0-26.42 or later on affected Ubuntu 11.10 systems.

  • What systems are affected by USN-1568-1?

    USN-1568-1 affects Ubuntu version 11.10 with specific kernel images such as linux-image-3.0.0-26-generic.

  • Who reported the vulnerability in USN-1568-1?

    The vulnerability in USN-1568-1 was reported by Ben Hutchings and discovered by Jay Fenlason and Doug Ledford.

  • What type of vulnerability is described in USN-1568-1?

    USN-1568-1 describes a vulnerability that could allow local or peer users to cause a denial of service.

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