glsa-202101-22.xml


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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="202101-22">
  <title>libvirt: Unintended access to /dev/mapper/control</title>
  <synopsis>A vulnerability in libvirt may allow root privilege escalation.</synopsis>
  <product type="ebuild">libvirt</product>
  <announced>2021-01-26</announced>
  <revised count="1">2021-01-26</revised>
  <bug>739948</bug>
  <access>local</access>
  <affected>
    <package name="app-emulation/libvirt" auto="yes" arch="*">
      <unaffected range="ge">6.7.0</unaffected>
      <vulnerable range="lt">6.7.0</vulnerable>
    </package>
  </affected>
  <background>
    <p>libvirt is a C toolkit for manipulating virtual machines.</p>
  </background>
  <description>
    <p>A file descriptor for /dev/mapper/control was insufficiently protected.</p>
  </description>
  <impact type="high">
    <p>A local attacker may be able to escalate to root privileges.</p>
  </impact>
  <workaround>
    <p>There is no known workaround at this time.</p>
  </workaround>
  <resolution>
    <p>All libvirt users should upgrade to the latest version:</p>
    
    <code>
      # emerge --sync
      # emerge --ask --oneshot --verbose "&gt;=app-emulation/libvirt-6.7.0"
    </code>
  </resolution>
  <references>
    <uri link="https://nvd.nist.gov/vuln/detail/CVE-2020-14339">CVE-2020-14339</uri>
  </references>
  <metadata tag="requester" timestamp="2020-10-05T23:25:12Z">sam_c</metadata>
  <metadata tag="submitter" timestamp="2021-01-26T00:10:19Z">sam_c</metadata>
</glsa>