Ubuntu 2988-1: LXD vulnerabilities

    Date31 May 2016
    Posted ByLinuxSecurity Advisories
    Several security issues were fixed in LXD.
    Ubuntu Security Notice USN-2988-1
    May 31, 2016
    lxd vulnerabilities
    A security issue affects these releases of Ubuntu and its derivatives:
    - Ubuntu 16.04 LTS
    - Ubuntu 15.10
    Several security issues were fixed in LXD.
    Software Description:
    - lxd: Container hypervisor based on LXC
    Robie Basak discovered that LXD incorrectly set permissions when setting up
    a loop based ZFS pool. A local attacker could use this issue to copy and
    read the data of any LXD container. (CVE-2016-1581)
    Robie Basak discovered that LXD incorrectly set permissions when switching
    an unprivileged container into privileged mode. A local attacker could use
    this issue to access any world readable path in the container directory,
    including setuid binaries. (CVE-2016-1582)
    Update instructions:
    The problem can be corrected by updating your system to the following
    package versions:
    Ubuntu 16.04 LTS:
      lxd                             2.0.2-0ubuntu1~16.04.1
    Ubuntu 15.10:
      lxd                             0.20-0ubuntu4.2
    In general, a standard system update will make all the necessary changes.
      CVE-2016-1581, CVE-2016-1582
    Package Information:

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