Ubuntu 3097-1: Linux kernel vulnerabilities

    Date11 Oct 2016
    Posted ByLinuxSecurity Advisories
    Several security issues were fixed in the kernel.
    Ubuntu Security Notice USN-3097-1
    October 11, 2016
    linux vulnerabilities
    A security issue affects these releases of Ubuntu and its derivatives:
    - Ubuntu 12.04 LTS
    Several security issues were fixed in the kernel.
    Software Description:
    - linux: Linux kernel
    Marco Grassi discovered a use-after-free condition could occur in the TCP
    retransmit queue handling code in the Linux kernel. A local attacker could
    use this to cause a denial of service (system crash) or possibly execute
    arbitrary code. (CVE-2016-6828)
    Pengfei Wang discovered a race condition in the audit subsystem in the
    Linux kernel. A local attacker could use this to corrupt audit logs or
    disrupt system-call auditing. (CVE-2016-6136)
    Pengfei Wang discovered a race condition in the Adaptec AAC RAID controller
    driver in the Linux kernel when handling ioctl()s. A local attacker could
    use this to cause a denial of service (system crash). (CVE-2016-6480)
    Update instructions:
    The problem can be corrected by updating your system to the following
    package versions:
    Ubuntu 12.04 LTS:
      linux-image-3.2.0-111-generic   3.2.0-111.153
      linux-image-3.2.0-111-generic-pae  3.2.0-111.153
      linux-image-3.2.0-111-highbank  3.2.0-111.153
      linux-image-3.2.0-111-omap      3.2.0-111.153
      linux-image-3.2.0-111-powerpc-smp  3.2.0-111.153
      linux-image-3.2.0-111-powerpc64-smp  3.2.0-111.153
      linux-image-3.2.0-111-virtual   3.2.0-111.153
    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.
    Unless you manually uninstalled the standard kernel metapackages
    (e.g. linux-generic, linux-generic-lts-RELEASE, linux-virtual,
    linux-powerpc), a standard system upgrade will automatically perform
    this as well.
      CVE-2016-6136, CVE-2016-6480, CVE-2016-6828
    Package Information:

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