Ubuntu 1977-1: Linux kernel (EC2) vulnerabilities

    Date30 Sep 2013
    CategoryUbuntu
    43
    Posted ByLinuxSecurity Advisories
    Several security issues were fixed in the kernel.
    ==========================================================================
    Ubuntu Security Notice USN-1977-1
    September 30, 2013
    
    linux-ec2 vulnerabilities
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 10.04 LTS
    
    Summary:
    
    Several security issues were fixed in the kernel.
    
    Software Description:
    - linux-ec2: Linux kernel for EC2
    
    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)
    
    Kees Cook discovered flaw in the Human Interface Device (HID) subsystem of
    the Linux kernel. A physically proximate attacker could exploit this flaw
    to execute arbitrary code or cause a denial of service (heap memory
    corruption) via a specially crafted device that provides an invalid Report
    ID. (CVE-2013-2888)
    
    Kees Cook discovered a flaw in the Human Interface Device (HID) subsystem
    of the Linux kerenl when CONFIG_HID_PANTHERLORD is enabled. A physically
    proximate attacker could cause a denial of service (heap out-of-bounds
    write) via a specially crafted device. (CVE-2013-2892)
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 10.04 LTS:
      linux-image-2.6.32-357-ec2      2.6.32-357.70
    
    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-1977-1
      CVE-2013-0343, CVE-2013-2888, CVE-2013-2892
    
    Package Information:
      https://launchpad.net/ubuntu/+source/linux-ec2/2.6.32-357.70
    
    
    
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