<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="201801-14">
  <title>Xen: Multiple vulnerabilities</title>
  <synopsis>Multiple vulnerabilities have been found in Xen, the worst of which
    could allow for privilege escalation.
  </synopsis>
  <product type="ebuild">xen</product>
  <announced>2018-01-14</announced>
  <revised count="1">2018-01-14</revised>
  <bug>627962</bug>
  <bug>634668</bug>
  <bug>637540</bug>
  <bug>637542</bug>
  <bug>639688</bug>
  <bug>641566</bug>
  <access>local</access>
  <affected>
    <package name="app-emulation/xen" auto="yes" arch="*">
      <unaffected range="ge">4.9.1-r1</unaffected>
      <vulnerable range="lt">4.9.1-r1</vulnerable>
    </package>
    <package name="app-emulation/xen-tools" auto="yes" arch="*">
      <unaffected range="ge">4.9.1-r1</unaffected>
      <vulnerable range="lt">4.9.1-r1</vulnerable>
    </package>
  </affected>
  <background>
    <p>Xen is a bare-metal hypervisor.</p>
  </background>
  <description>
    <p>Multiple vulnerabilities have been discovered in Xen. Please review the
      referenced CVE identifiers for details.
    </p>
  </description>
  <impact type="high">
    <p>A local attacker could potentially execute arbitrary code with the
      privileges of the Xen (QEMU) process on the host, gain privileges on the
      host system, or cause a Denial of Service condition.
    </p>
  </impact>
  <workaround>
    <p>There is no known workaround at this time.</p>
  </workaround>
  <resolution>
    <p>All Xen users should upgrade to the latest version:</p>
    
    <code>
      # emerge --sync
      # emerge --ask --oneshot --verbose "&gt;=app-emulation/xen-4.9.1-r1"
    </code>
    
    <p>All Xen tools users should upgrade to the latest version:</p>
    
    <code>
      # emerge --sync
      # emerge --ask --oneshot --verbose
      "&gt;=app-emulation/xen-tools-4.9.1-r1"
    </code>
  </resolution>
  <references>
    <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-12134">
      CVE-2017-12134
    </uri>
    <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-12135">
      CVE-2017-12135
    </uri>
    <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-12136">
      CVE-2017-12136
    </uri>
    <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-12137">
      CVE-2017-12137
    </uri>
    <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-15588">
      CVE-2017-15588
    </uri>
    <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-15589">
      CVE-2017-15589
    </uri>
    <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-15590">
      CVE-2017-15590
    </uri>
    <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-15591">
      CVE-2017-15591
    </uri>
    <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-15592">
      CVE-2017-15592
    </uri>
    <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-15593">
      CVE-2017-15593
    </uri>
    <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-15594">
      CVE-2017-15594
    </uri>
    <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-15595">
      CVE-2017-15595
    </uri>
    <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-17044">
      CVE-2017-17044
    </uri>
    <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-17045">
      CVE-2017-17045
    </uri>
    <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-17046">
      CVE-2017-17046
    </uri>
    <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-17563">
      CVE-2017-17563
    </uri>
    <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-17564">
      CVE-2017-17564
    </uri>
    <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-17565">
      CVE-2017-17565
    </uri>
    <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-17566">
      CVE-2017-17566
    </uri>
  </references>
  <metadata tag="requester" timestamp="2017-11-30T07:36:44Z">BlueKnight</metadata>
  <metadata tag="submitter" timestamp="2018-01-14T23:31:54Z">b-man</metadata>
</glsa>
