Advisory Published

USN-1507-1: Linux kernel vulnerabilities

First published: Tue Jul 17 2012(Updated: )

A flaw was found in the Linux kernel's KVM (Kernel Virtual Machine) virtual cpu setup. An unprivileged local user could exploit this flaw to crash the system leading to a denial of service. (CVE-2012-1601) An error was found in the Linux kernel's IPv6 netfilter when connection tracking is enabled. A remote attacker could exploit this flaw to crash a system if it is using IPv6 with the nf_contrack_ipv6 kernel module loaded. (CVE-2012-2744)

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/linux-image-2.6.24-32-itanium<2.6.24-32.104
2.6.24-32.104
Ubuntu 22.04 LTS=8.04
All of
ubuntu/linux-image-2.6.24-32-powerpc<2.6.24-32.104
2.6.24-32.104
Ubuntu 22.04 LTS=8.04
All of
ubuntu/linux-image-2.6.24-32-powerpc64-smp<2.6.24-32.104
2.6.24-32.104
Ubuntu 22.04 LTS=8.04
All of
ubuntu/linux-image-2.6.24-32-sparc64<2.6.24-32.104
2.6.24-32.104
Ubuntu 22.04 LTS=8.04
All of
ubuntu/linux-image-2.6.24-32-server<2.6.24-32.104
2.6.24-32.104
Ubuntu 22.04 LTS=8.04
All of
ubuntu/linux-image-2.6.24-32-openvz<2.6.24-32.104
2.6.24-32.104
Ubuntu 22.04 LTS=8.04
All of
ubuntu/linux-image-2.6.24-32-386<2.6.24-32.104
2.6.24-32.104
Ubuntu 22.04 LTS=8.04
All of
ubuntu/linux-image-2.6.24-32-hppa32<2.6.24-32.104
2.6.24-32.104
Ubuntu 22.04 LTS=8.04
All of
ubuntu/linux-image-2.6.24-32-lpiacompat<2.6.24-32.104
2.6.24-32.104
Ubuntu 22.04 LTS=8.04
All of
ubuntu/linux-image-2.6.24-32-mckinley<2.6.24-32.104
2.6.24-32.104
Ubuntu 22.04 LTS=8.04
All of
ubuntu/linux-image-2.6.24-32-lpia<2.6.24-32.104
2.6.24-32.104
Ubuntu 22.04 LTS=8.04
All of
ubuntu/linux-image-2.6.24-32-xen<2.6.24-32.104
2.6.24-32.104
Ubuntu 22.04 LTS=8.04
All of
ubuntu/linux-image-2.6.24-32-hppa64<2.6.24-32.104
2.6.24-32.104
Ubuntu 22.04 LTS=8.04
All of
ubuntu/linux-image-2.6.24-32-powerpc-smp<2.6.24-32.104
2.6.24-32.104
Ubuntu 22.04 LTS=8.04
All of
ubuntu/linux-image-2.6.24-32-generic<2.6.24-32.104
2.6.24-32.104
Ubuntu 22.04 LTS=8.04
All of
ubuntu/linux-image-2.6.24-32-rt<2.6.24-32.104
2.6.24-32.104
Ubuntu 22.04 LTS=8.04
All of
ubuntu/linux-image-2.6.24-32-virtual<2.6.24-32.104
2.6.24-32.104
Ubuntu 22.04 LTS=8.04
All of
ubuntu/linux-image-2.6.24-32-sparc64-smp<2.6.24-32.104
2.6.24-32.104
Ubuntu 22.04 LTS=8.04

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Reference Links

Child vulnerabilities

(Contains the following vulnerabilities)

Frequently Asked Questions

  • What is the severity of USN-1507-1?

    The severity of USN-1507-1 is classified as high due to the potential for unprivileged local users to crash the system.

  • How do I fix USN-1507-1?

    To fix USN-1507-1, update your Linux kernel to version 2.6.24-32.104 or later.

  • What vulnerabilities are addressed in USN-1507-1?

    USN-1507-1 addresses vulnerabilities related to the KVM virtual CPU setup and the IPv6 netfilter connection tracking.

  • Which Ubuntu versions are affected by USN-1507-1?

    USN-1507-1 affects Ubuntu 8.04 with specific Linux kernel packages.

  • Can USN-1507-1 lead to denial of service?

    Yes, the vulnerabilities in USN-1507-1 can be exploited to cause a denial of service.

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