Advisory Published

USN-1473-1: Linux kernel vulnerabilities

First published: Wed Jun 13 2012(Updated: )

A flaw was discovered in the Linux kernel's KVM (kernel virtual machine). An administrative user in the guest OS could leverage this flaw to cause a denial of service in the host OS. (CVE-2012-2121) 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. (CVE-2012-2133) Stephan Mueller reported a flaw in the Linux kernel's dl2k network driver's handling of ioctls. An unprivileged local user could leverage this flaw to cause a denial of service. (CVE-2012-2313) Timo Warns reported multiple flaws in the Linux kernel's hfsplus filesystem. An unprivileged local user could exploit these flaws to gain root system priviliges. (CVE-2012-2319) Xi Wang discovered a flaw in the Linux kernel's i915 graphics driver handling of cliprect on 32 bit systems. An unprivileged local attacker could leverage this flaw to cause a denial of service or potentially gain root privileges. (CVE-2012-2383) Xi Wang discovered a flaw in the Linux kernel's i915 graphics driver handling of buffer_count on 32 bit systems. An unprivileged local attacker could leverage this flaw to cause a denial of service or potentially gain root privileges. (CVE-2012-2384)

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/linux-image-3.2.0-25-powerpc64-smp<3.2.0-25.40
3.2.0-25.40
Ubuntu 22.04 LTS=12.04
All of
ubuntu/linux-image-3.2.0-25-powerpc-smp<3.2.0-25.40
3.2.0-25.40
Ubuntu 22.04 LTS=12.04
All of
ubuntu/linux-image-3.2.0-25-generic-pae<3.2.0-25.40
3.2.0-25.40
Ubuntu 22.04 LTS=12.04
All of
ubuntu/linux-image-3.2.0-25-virtual<3.2.0-25.40
3.2.0-25.40
Ubuntu 22.04 LTS=12.04
All of
ubuntu/linux-image-3.2.0-25-highbank<3.2.0-25.40
3.2.0-25.40
Ubuntu 22.04 LTS=12.04
All of
ubuntu/linux-image-3.2.0-25-omap<3.2.0-25.40
3.2.0-25.40
Ubuntu 22.04 LTS=12.04
All of
ubuntu/linux-image-3.2.0-25-generic<3.2.0-25.40
3.2.0-25.40
Ubuntu 22.04 LTS=12.04

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Reference Links

Child vulnerabilities

(Contains the following vulnerabilities)

Frequently Asked Questions

  • What is the severity of USN-1473-1?

    The severity of USN-1473-1 is categorized as a denial-of-service vulnerability.

  • How do I fix USN-1473-1?

    To fix USN-1473-1, upgrade the affected packages to version 3.2.0-25.40 or later.

  • Which systems are affected by USN-1473-1?

    USN-1473-1 affects Ubuntu version 12.04 running the Linux kernel.

  • What type of vulnerability is USN-1473-1?

    USN-1473-1 is a flaw in the Linux kernel's KVM leading to potential denial of service.

  • Who discovered the vulnerability USN-1473-1?

    The vulnerability USN-1473-1 was discovered by Schacher Raindel.

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