Ubuntu 2076-1: Linux kernel (OMAP4) vulnerabilities

    Date03 Jan 2014
    CategoryUbuntu
    56
    Posted ByLinuxSecurity Advisories
    Several security issues were fixed in the kernel.
    ==========================================================================
    Ubuntu Security Notice USN-2076-1
    January 03, 2014
    
    linux-ti-omap4 vulnerabilities
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 13.10
    
    Summary:
    
    Several security issues were fixed in the kernel.
    
    Software Description:
    - linux-ti-omap4: Linux kernel for OMAP4
    
    Details:
    
    Dave Jones and Vince Weaver reported a flaw in the Linux kernel's per event
    subsystem that allows normal users to enable function tracing. An
    unprivileged local user could exploit this flaw to obtain potentially
    sensitive information from the kernel. (CVE-2013-2930)
    
    Stephan Mueller reported an error in the Linux kernel's ansi cprng random
    number generator. This flaw makes it easier for a local attacker to break
    cryptographic protections. (CVE-2013-4345)
    
    Multiple integer overflow flaws were discovered in the Alchemy LCD frame-
    buffer drivers in the Linux kernel. An unprivileged local user could
    exploit this flaw to gain administrative privileges. (CVE-2013-4511)
    
    Nico Golde and Fabian Yamaguchi reported a buffer overflow in the Ozmo
    Devices USB over WiFi devices. A local user could exploit this flaw to
    cause a denial of service or possibly unspecified impact. (CVE-2013-4513)
    
    Nico Golde and Fabian Yamaguchi reported a flaw in the Linux kernel's
    driver for Agere Systems HERMES II Wireless PC Cards. A local user with the
    CAP_NET_ADMIN capability could exploit this flaw to cause a denial of
    service or possibly gain adminstrative priviliges. (CVE-2013-4514)
    
    Nico Golde and Fabian Yamaguchi reported a flaw in the Linux kernel's
    driver for Beceem WIMAX chipset based devices. An unprivileged local user
    could exploit this flaw to obtain sensitive information from kernel memory.
    (CVE-2013-4515)
    
    A flaw was discovered in the Linux kernel's compat ioctls for Adaptec
    AACRAID scsi raid devices. An unprivileged local user could send
    administrative commands to these devices potentially compromising the data
    stored on the device. (CVE-2013-6383)
    
    Nico Golde reported a flaw in the Linux kernel's userspace IO (uio) driver.
    A local user could exploit this flaw to cause a denial of service (memory
    corruption) or possibly gain privileges. (CVE-2013-6763)
    
    Evan Huus reported a buffer overflow in the Linux kernel's radiotap header
    parsing. A remote attacker could cause a denial of service (buffer over-
    read) via a specially crafted header. (CVE-2013-7027)
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 13.10:
      linux-image-3.5.0-237-omap4     3.5.0-237.53
    
    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-2076-1
      CVE-2013-2930, CVE-2013-4345, CVE-2013-4511, CVE-2013-4513,
      CVE-2013-4514, CVE-2013-4515, CVE-2013-6383, CVE-2013-6763,
      CVE-2013-7027
    
    Package Information:
      https://launchpad.net/ubuntu/+source/linux-ti-omap4/3.5.0-237.53
    
    
    
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