Ubuntu 2114-1: Linux kernel vulnerabilities

    Date18 Feb 2014
    Posted ByLinuxSecurity Advisories
    Several security issues were fixed in the kernel.
    Ubuntu Security Notice USN-2114-1
    February 18, 2014
    linux vulnerabilities
    A security issue affects these releases of Ubuntu and its derivatives:
    - Ubuntu 12.10
    Several security issues were fixed in the kernel.
    Software Description:
    - linux: Linux kernel
    Vasily Kulikov reported a flaw in the Linux kernel's implementation of
    ptrace. An unprivileged local user could exploit this flaw to obtain
    sensitive information from kernel memory. (CVE-2013-2929)
    A flaw in the handling of memory regions of the kernel virtual machine
    (KVM) subsystem was discovered. A local user with the ability to assign a
    device could exploit this flaw to cause a denial of service (memory
    consumption). (CVE-2013-4592)
    Nico Golde and Fabian Yamaguchi reported a flaw in the Linux kernel's
    debugfs filesystem. An administrative local user could exploit this flaw to
    cause a denial of service (OOPS). (CVE-2013-6378)
    Nico Golde and Fabian Yamaguchi reported a flaw in the driver for Adaptec
    AACRAID scsi raid devices in the Linux kernel. A local user could use this
    flaw to cause a denial of service or possibly other unspecified impact.
    Update instructions:
    The problem can be corrected by updating your system to the following
    package versions:
    Ubuntu 12.10:
      linux-image-3.5.0-46-generic    3.5.0-46.70
      linux-image-3.5.0-46-highbank   3.5.0-46.70
      linux-image-3.5.0-46-omap       3.5.0-46.70
      linux-image-3.5.0-46-powerpc-smp  3.5.0-46.70
      linux-image-3.5.0-46-powerpc64-smp  3.5.0-46.70
    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.
      CVE-2013-2929, CVE-2013-4592, CVE-2013-6378, CVE-2013-6380
    Package Information:
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