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