metadata/glsa/glsa-200904-18.xml


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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200904-18">
  <title>udev: Multiple vulnerabilities</title>
  <synopsis>
    Two errors in udev allow for a local root compromise and a Denial of
    Service.
  </synopsis>
  <product type="ebuild">udev</product>
  <announced>2009-04-18</announced>
  <revised count="01">2009-04-18</revised>
  <bug>266290</bug>
  <access>local</access>
  <affected>
    <package name="sys-fs/udev" auto="yes" arch="*">
      <unaffected range="ge">124-r2</unaffected>
      <vulnerable range="lt">124-r2</vulnerable>
    </package>
  </affected>
  <background>
    <p>
    udev is the device manager used in the Linux 2.6 kernel series.
    </p>
  </background>
  <description>
    <p>
    Sebastian Krahmer of SUSE discovered the following two vulnerabilities:
    </p>
    <ul>
    <li>udev does not verify the origin of NETLINK messages
    properly (CVE-2009-1185).</li>
    <li>A buffer overflow exists in the
    util_path_encode() function in lib/libudev-util.c (CVE-2009-1186).</li>
    </ul>
  </description>
  <impact type="high">
    <p>
    A local attacker could gain root privileges by sending specially
    crafted NETLINK messages to udev or cause a Denial of Service.
    </p>
  </impact>
  <workaround>
    <p>
    There is no known workaround at this time.
    </p>
  </workaround>
  <resolution>
    <p>
    All udev users should upgrade to the latest version:
    </p>
    <code>
    # emerge --sync
    # emerge --ask --oneshot --verbose "&gt;=sys-fs/udev-124-r2"</code>
  </resolution>
  <references>
    <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-1185">CVE-2009-1185</uri>
    <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-1186">CVE-2009-1186</uri>
  </references>
  <metadata tag="requester" timestamp="2009-04-16T09:13:51Z">
    a3li
  </metadata>
  <metadata tag="submitter" timestamp="2009-04-16T09:38:24Z">
    a3li
  </metadata>
  <metadata tag="bugReady" timestamp="2009-04-18T18:32:47Z">
    a3li
  </metadata>
</glsa>