Ubuntu 2512-1: Linux kernel (EC2) vulnerabilities

    Date26 Feb 2015
    CategoryUbuntu
    51
    Posted ByLinuxSecurity Advisories
    Several security issues were fixed in the kernel.
    ==========================================================================
    Ubuntu Security Notice USN-2512-1
    February 26, 2015
    
    linux-ec2 vulnerabilities
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 10.04 LTS
    
    Summary:
    
    Several security issues were fixed in the kernel.
    
    Software Description:
    - linux-ec2: Linux kernel for EC2
    
    Details:
    
    A race condition was discovered in the Linux kernel's key ring. A local
    user could cause a denial of service (memory corruption or panic) or
    possibly have unspecified impact via the keyctl commands. (CVE-2014-9529)
    
    A memory leak was discovered in the ISO 9660 CDROM file system when parsing
    rock ridge ER records. A local user could exploit this flaw to obtain
    sensitive information from kernel memory via a crafted iso9660 image.
    (CVE-2014-9584)
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 10.04 LTS:
      linux-image-2.6.32-376-ec2      2.6.32-376.93
    
    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-2512-1
      CVE-2014-9529, CVE-2014-9584
    
    Package Information:
      https://launchpad.net/ubuntu/+source/linux-ec2/2.6.32-376.93
    
    
    
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