Ubuntu 2377-1: Linux kernel (OMAP4) vulnerabilities

    Date09 Oct 2014
    CategoryUbuntu
    25
    Posted ByLinuxSecurity Advisories
    Several security issues were fixed in the kernel.
    ==========================================================================
    Ubuntu Security Notice USN-2377-1
    October 09, 2014
    
    linux-ti-omap4 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-ti-omap4: Linux kernel for OMAP4
    
    Details:
    
    Steven Vittitoe reported multiple stack buffer overflows in Linux kernel's
    magicmouse HID driver. A physically proximate attacker could exploit this
    flaw to cause a denial of service (system crash) or possibly execute
    arbitrary code via specially crafted devices. (CVE-2014-3181)
    
    Ben Hawkes reported some off by one errors for report descriptors in the
    Linux kernel's HID stack. A physically proximate attacker could exploit
    these flaws to cause a denial of service (out-of-bounds write) via a
    specially crafted device. (CVE-2014-3184)
    
    Several bounds check flaws allowing for buffer overflows were discovered in
    the Linux kernel's Whiteheat USB serial driver. A physically proximate
    attacker could exploit these flaws to cause a denial of service (system
    crash) via a specially crafted device. (CVE-2014-3185)
    
    Steven Vittitoe reported a buffer overflow in the Linux kernel's PicoLCD
    HID device driver. A physically proximate attacker could exploit this flaw
    to cause a denial of service (system crash) or possibly execute arbitrary
    code via a specially craft device. (CVE-2014-3186)
    
    A flaw was discovered in the Linux kernel's UDF filesystem (used on some
    CD-ROMs and DVDs) when processing indirect ICBs. An attacker who can cause
    CD, DVD or image file with a specially crafted inode to be mounted can
    cause a denial of service (infinite loop or stack consumption).
    (CVE-2014-6410)
    
    James Eckersall discovered a buffer overflow in the Ceph filesystem in the
    Linux kernel. A remote attacker could exploit this flaw to cause a denial
    of service (memory consumption and panic) or possibly have other
    unspecified impact via a long unencrypted auth ticket. (CVE-2014-6416)
    
    James Eckersall discovered a flaw in the handling of memory allocation
    failures in the Ceph filesystem. A remote attacker could exploit this flaw
    to cause a denial of service (system crash) or possibly have unspecified
    other impact. (CVE-2014-6417)
    
    James Eckersall discovered a flaw in how the Ceph filesystem validates auth
    replies. A remote attacker could exploit this flaw to cause a denial of
    service (system crash) or possibly have other unspecified impact.
    (CVE-2014-6418)
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 12.04 LTS:
      linux-image-3.2.0-1455-omap4    3.2.0-1455.75
    
    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-2377-1
      CVE-2014-3181, CVE-2014-3184, CVE-2014-3185, CVE-2014-3186,
      CVE-2014-6410, CVE-2014-6416, CVE-2014-6417, CVE-2014-6418
    
    Package Information:
      https://launchpad.net/ubuntu/+source/linux-ti-omap4/3.2.0-1455.75
    
    
    
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