glsa-201406-04.xml


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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="201406-04">
  <title>SystemTap: Denial of service</title>
  <synopsis>A vulnerability in SystemTap could allow a local attacker to create
    a Denial of Service condition.
  </synopsis>
  <product type="ebuild">systemtap</product>
  <announced>2014-06-05</announced>
  <revised count="1">2014-06-05</revised>
  <bug>405345</bug>
  <access>local</access>
  <affected>
    <package name="dev-util/systemtap" auto="yes" arch="*">
      <unaffected range="ge">2.0</unaffected>
      <vulnerable range="lt">2.0</vulnerable>
    </package>
  </affected>
  <background>
    <p>SystemTap is a kernel profiling and instrumentation tool.</p>
  </background>
  <description>
    <p>SystemTap does not properly handle DWARF expressions when unwinding the
      stack.
    </p>
  </description>
  <impact type="normal">
    <p>A local attacker with SystemTap permissions could trigger a kernel
      panic, causing a Denial of Service condition.
    </p>
  </impact>
  <workaround>
    <p>Disabling unprivileged mode is a temporary workaround for this
      vulnerability.
    </p>
  </workaround>
  <resolution>
    <p>All SystemTap users should upgrade to the latest version:</p>
    
    <code>
      # emerge --sync
      # emerge --ask --oneshot --verbose "&gt;=dev-util/systemtap-2.0"
    </code>
    
  </resolution>
  <references>
    <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-0875">CVE-2012-0875</uri>
  </references>
  <metadata tag="requester" timestamp="2014-05-30T22:59:45Z">
    BlueKnight
  </metadata>
  <metadata tag="submitter" timestamp="2014-06-05T00:18:26Z">
    creffett
  </metadata>
</glsa>