Ubuntu 1995-1: Linux kernel (Raring HWE) vulnerabilities

    Date22 Oct 2013
    CategoryUbuntu
    30
    Posted ByLinuxSecurity Advisories
    Several security issues were fixed in the kernel.
    ==========================================================================
    Ubuntu Security Notice USN-1995-1
    October 22, 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 Linux kernel when reading
    broadcast messages from the notify_policy interface of the IPSec
    key_socket. A local user could exploit this flaw to examine potentially
    sensitive information in kernel memory. (CVE-2013-2237)
    
    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 kernel 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)
    
    Kees Cook discovered a vulnerability in the Linux Kernel's Human Interface
    Device (HID) subsystem's support for N-Trig touch screens. A physically
    proximate attacker could exploit this flaw to cause a denial of service
    (OOPS) via a specially crafted device. (CVE-2013-2896)
    
    Kees Cook discovered an information leak in the Linux kernel's Human
    Interface Device (HID) subsystem when CONFIG_HID_SENSOR_HUB is enabled. A
    physically proximate attacker could obtain potentially sensitive
    information from kernel memory via a specially crafted device.
    (CVE-2013-2898)
    
    Kees Cook discovered a flaw in the Human Interface Device (HID) subsystem
    of the Linux kernel whe CONFIG_HID_PICOLCD is enabled. A physically
    proximate attacker could exploit this flaw to cause a denial of service
    (OOPS) via a specially crafted device. (CVE-2013-2899)
    
    A flaw was discovered in how the Linux Kernel's networking stack checks scm
    credentials when used with namespaces. A local attacker could exploit this
    flaw to gain privileges. (CVE-2013-4300)
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 12.04 LTS:
      linux-image-3.8.0-32-generic    3.8.0-32.47~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-1995-1
      CVE-2013-2237, CVE-2013-2888, CVE-2013-2892, CVE-2013-2896,
      CVE-2013-2898, CVE-2013-2899, CVE-2013-4300
    
    Package Information:
      https://launchpad.net/ubuntu/+source/linux-lts-raring/3.8.0-32.47~precise1
    
    
    
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