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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>2014-06-05: 1</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 ">=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>
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