Ubuntu 2020-1: Linux kernel (Raring HWE) vulnerabilities

    Date08 Nov 2013
    CategoryUbuntu
    62
    Posted ByLinuxSecurity Advisories
    Several security issues were fixed in the kernel.
    ==========================================================================
    Ubuntu Security Notice USN-2020-1
    November 08, 2013
    
    linux-lts-raring vulnerabilities
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 12.04 LTS
    
    Summary:
    
    Several security issues were fixed in the kernel.
    
    Software Description:
    - linux-lts-raring: Linux hardware enablement kernel from Raring
    
    Details:
    
    An information leak was discovered in the handling of ICMPv6 Router
    Advertisement (RA) messages in the Linux kernel's IPv6 network stack. A
    remote attacker could exploit this flaw to cause a denial of service
    (excessive retries and address-generation outage), and consequently obtain
    sensitive information. (CVE-2013-0343)
    
    Dan Carpenter discovered an information leak in the HP Smart Aray and
    Compaq SMART2 disk-array driver in the Linux kernel. A local user could
    exploit this flaw to obtain sensitive information from kernel memory.
    (CVE-2013-2147)
    
    Kees Cook discovered flaw in the Human Interface Device (HID) subsystem
    when CONFIG_HID_ZEROPLUS is enabled. A physically proximate attacker could
    leverage this flaw to cause a denial of service via a specially crafted
    device. (CVE-2013-2889)
    
    Kees Cook discovered another flaw in the Human Interface Device (HID)
    subsystem of the Linux kernel when any of CONFIG_LOGITECH_FF,
    CONFIG_LOGIG940_FF, or CONFIG_LOGIWHEELS_FF are enabled. A physcially
    proximate attacker can leverage this flaw to cause a denial of service vias
    a specially crafted device. (CVE-2013-2893)
    
    Kees Cook discovered a flaw in the Human Interface Device (HID) subsystem
    of the Linux kernel when CONFIG_HID_LENOVO_TPKBD is enabled. A physically
    proximate attacker could exploit this flaw to cause a denial of service via
    a specially crafted device. (CVE-2013-2894)
    
    Kees Cook discovered another flaw in the Human Interface Device (HID)
    subsystem of the Linux kernel when CONFIG_HID_LOGITECH_DJ is enabled. A
    physically proximate attacker could cause a denial of service (OOPS) or
    obtain sensitive information from kernel memory via a specially crafted
    device. (CVE-2013-2895)
    
    Kees Cook discovered yet another flaw in the Human Interface Device (HID)
    subsystem of the Linux kernel when CONFIG_HID_MULTITOUCH is enabled. A
    physically proximate attacker could leverage this flaw to cause a denial of
    service (OOPS) via a specially crafted device. (CVE-2013-2897)
    
    Wannes Rombouts reported a vulnerability in the networking tuntap interface
    of the Linux kernel. A local user with the CAP_NET_ADMIN capability could
    leverage this flaw to gain full admin privileges. (CVE-2013-4343)
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 12.04 LTS:
      linux-image-3.8.0-33-generic    3.8.0-33.48~precise1
    
    After a standard system update you need to reboot your computer to make
    all the necessary changes.
    
    ATTENTION: Due to an unavoidable ABI change the kernel updates have
    been given a new version number, which requires you to recompile and
    reinstall all third party kernel modules you might have installed. If
    you use linux-restricted-modules, you have to update that package as
    well to get modules which work with the new kernel version. Unless you
    manually uninstalled the standard kernel metapackages (e.g. linux-generic,
    linux-server, linux-powerpc), a standard system upgrade will automatically
    perform this as well.
    
    References:
      http://www.ubuntu.com/usn/usn-2020-1
      CVE-2013-0343, CVE-2013-2147, CVE-2013-2889, CVE-2013-2893,
      CVE-2013-2894, CVE-2013-2895, CVE-2013-2897, CVE-2013-4343
    
    Package Information:
      https://launchpad.net/ubuntu/+source/linux-lts-raring/3.8.0-33.48~precise1
    
    
    
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