<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="202003-56">
  <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>2020-03-25</announced>
  <revised count="1">2020-03-25</revised>
  <bug>686024</bug>
  <bug>699048</bug>
  <bug>699996</bug>
  <bug>702644</bug>
  <access>local</access>
  <affected>
    <package name="app-emulation/xen" auto="yes" arch="*">
      <unaffected range="ge">4.12.0-r1</unaffected>
      <vulnerable range="lt">4.12.0-r1</vulnerable>
    </package>
    <package name="app-emulation/xen-tools" auto="yes" arch="*">
      <unaffected range="ge">4.12.0-r1</unaffected>
      <vulnerable range="lt">4.12.0-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 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-4.12.0-r1"
    </code>
    
  </resolution>
  <references>
    <uri link="https://nvd.nist.gov/vuln/detail/CVE-2018-12126">CVE-2018-12126</uri>
    <uri link="https://nvd.nist.gov/vuln/detail/CVE-2018-12127">CVE-2018-12127</uri>
    <uri link="https://nvd.nist.gov/vuln/detail/CVE-2018-12130">CVE-2018-12130</uri>
    <uri link="https://nvd.nist.gov/vuln/detail/CVE-2018-12207">CVE-2018-12207</uri>
    <uri link="https://nvd.nist.gov/vuln/detail/CVE-2018-12207">CVE-2018-12207</uri>
    <uri link="https://nvd.nist.gov/vuln/detail/CVE-2019-11091">CVE-2019-11091</uri>
    <uri link="https://nvd.nist.gov/vuln/detail/CVE-2019-11135">CVE-2019-11135</uri>
    <uri link="https://nvd.nist.gov/vuln/detail/CVE-2019-18420">CVE-2019-18420</uri>
    <uri link="https://nvd.nist.gov/vuln/detail/CVE-2019-18421">CVE-2019-18421</uri>
    <uri link="https://nvd.nist.gov/vuln/detail/CVE-2019-18423">CVE-2019-18423</uri>
    <uri link="https://nvd.nist.gov/vuln/detail/CVE-2019-18424">CVE-2019-18424</uri>
    <uri link="https://nvd.nist.gov/vuln/detail/CVE-2019-18425">CVE-2019-18425</uri>
    <uri link="https://nvd.nist.gov/vuln/detail/CVE-2019-19577">CVE-2019-19577</uri>
    <uri link="https://nvd.nist.gov/vuln/detail/CVE-2019-19578">CVE-2019-19578</uri>
    <uri link="https://nvd.nist.gov/vuln/detail/CVE-2019-19580">CVE-2019-19580</uri>
    <uri link="https://nvd.nist.gov/vuln/detail/CVE-2019-19581">CVE-2019-19581</uri>
    <uri link="https://nvd.nist.gov/vuln/detail/CVE-2019-19582">CVE-2019-19582</uri>
    <uri link="https://nvd.nist.gov/vuln/detail/CVE-2019-19583">CVE-2019-19583</uri>
  </references>
  <metadata tag="requester" timestamp="2020-03-25T20:41:14Z">whissi</metadata>
  <metadata tag="submitter" timestamp="2020-03-25T20:45:30Z">whissi</metadata>
</glsa>
