Ubuntu 3187-2: Linux kernel (OMAP4) vulnerabilities

    Date 09 Feb 2017
    135
    Posted By LinuxSecurity Advisories
    Several security issues were fixed in the kernel.
    ==========================================================================
    Ubuntu Security Notice USN-3187-2
    February 09, 2017
    
    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:
    
    Andrey Konovalov discovered that the SCTP implementation in the Linux
    kernel improperly handled validation of incoming data. A remote attacker
    could use this to cause a denial of service (system crash). (CVE-2016-9555)
    
    It was discovered that multiple memory leaks existed in the XFS
    implementation in the Linux kernel. A local attacker could use this to
    cause a denial of service (memory consumption). (CVE-2016-9685)
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 12.04 LTS:
      linux-image-3.2.0-1499-omap4    3.2.0-1499.126
      linux-image-omap4               3.2.0.1499.94
    
    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.
    
    References:
      https://www.ubuntu.com/usn/usn-3187-2
      https://www.ubuntu.com/usn/usn-3187-1
      CVE-2016-9555, CVE-2016-9685
    
    Package Information:
      https://launchpad.net/ubuntu/+source/linux-ti-omap4/3.2.0-1499.126
    

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