Advisory Published

USN-1939-1: Linux kernel vulnerabilities

First published: Fri Sep 06 2013(Updated: )

Vasily Kulikov discovered a flaw in the Linux Kernel's perf tool that allows for privilege escalation. A local user could exploit this flaw to run commands as root when using the perf tool. (CVE-2013-1060) Michael S. Tsirkin discovered a flaw in how the Linux kernel's KVM subsystem allocates memory slots for the guest's address space. A local user could exploit this flaw to gain system privileges or obtain sensitive information from kernel memory. (CVE-2013-1943) A flaw was discovered in the SCTP (stream control transfer protocol) network protocol's handling of duplicate cookies in the Linux kernel. A remote attacker could exploit this flaw to cause a denial of service (system crash) on another remote user querying the SCTP connection. (CVE-2013-2206) Hannes Frederic Sowa discovered a flaw in setsockopt UDP_CORK option in the Linux kernel's IPv6 stack. A local user could exploit this flaw to cause a denial of service (system crash). (CVE-2013-4162)

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/linux-image-2.6.32-51-preempt<2.6.32-51.113
2.6.32-51.113
Ubuntu 22.04 LTS=10.04
All of
ubuntu/linux-image-2.6.32-51-386<2.6.32-51.113
2.6.32-51.113
Ubuntu 22.04 LTS=10.04
All of
ubuntu/linux-image-2.6.32-51-powerpc64-smp<2.6.32-51.113
2.6.32-51.113
Ubuntu 22.04 LTS=10.04
All of
ubuntu/linux-image-2.6.32-51-sparc64-smp<2.6.32-51.113
2.6.32-51.113
Ubuntu 22.04 LTS=10.04
All of
ubuntu/linux-image-2.6.32-51-lpia<2.6.32-51.113
2.6.32-51.113
Ubuntu 22.04 LTS=10.04
All of
ubuntu/linux-image-2.6.32-51-powerpc<2.6.32-51.113
2.6.32-51.113
Ubuntu 22.04 LTS=10.04
All of
ubuntu/linux-image-2.6.32-51-ia64<2.6.32-51.113
2.6.32-51.113
Ubuntu 22.04 LTS=10.04
All of
ubuntu/linux-image-2.6.32-51-server<2.6.32-51.113
2.6.32-51.113
Ubuntu 22.04 LTS=10.04
All of
ubuntu/linux-image-2.6.32-51-versatile<2.6.32-51.113
2.6.32-51.113
Ubuntu 22.04 LTS=10.04
All of
ubuntu/linux-image-2.6.32-51-powerpc-smp<2.6.32-51.113
2.6.32-51.113
Ubuntu 22.04 LTS=10.04
All of
ubuntu/linux-image-2.6.32-51-sparc64<2.6.32-51.113
2.6.32-51.113
Ubuntu 22.04 LTS=10.04
All of
ubuntu/linux-image-2.6.32-51-generic<2.6.32-51.113
2.6.32-51.113
Ubuntu 22.04 LTS=10.04
All of
ubuntu/linux-image-2.6.32-51-virtual<2.6.32-51.113
2.6.32-51.113
Ubuntu 22.04 LTS=10.04
All of
ubuntu/linux-image-2.6.32-51-generic-pae<2.6.32-51.113
2.6.32-51.113
Ubuntu 22.04 LTS=10.04

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Child vulnerabilities

(Contains the following vulnerabilities)

Frequently Asked Questions

  • What is the severity of USN-1939-1?

    USN-1939-1 has been classified as a high severity vulnerability due to its ability to allow privilege escalation for local users.

  • How do I fix USN-1939-1?

    To fix USN-1939-1, you should upgrade to the linux-image-2.6.32-51.113 package on Ubuntu 10.04.

  • Who discovered the vulnerabilities addressed in USN-1939-1?

    The vulnerabilities in USN-1939-1 were discovered by Vasily Kulikov and Michael S. Tsirkin.

  • What versions of Ubuntu are affected by USN-1939-1?

    USN-1939-1 affects all 10.04 versions of Ubuntu using the specified Linux kernel packages.

  • What type of vulnerability is USN-1939-1?

    USN-1939-1 is a privilege escalation vulnerability related to the Linux Kernel's perf tool and KVM subsystem.

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