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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="201710-17">
<title>Xen: Multiple vulnerabilities</title>
<synopsis>Multiple vulnerabilities have been found in Xen, the worst of which
may allow local attackers to escalate privileges.
</synopsis>
<product type="ebuild">xen</product>
<announced>2017-10-18</announced>
<revised count="1">2017-10-18</revised>
<bug>624112</bug>
<bug>624116</bug>
<bug>624118</bug>
<bug>624124</bug>
<bug>624128</bug>
<access>local</access>
<affected>
<package name="app-emulation/xen" auto="yes" arch="*">
<unaffected range="ge">4.7.3</unaffected>
<vulnerable range="lt">4.7.3</vulnerable>
</package>
<package name="app-emulation/xen-pvgrub" auto="yes" arch="*">
<unaffected range="ge">4.7.3</unaffected>
<vulnerable range="lt">4.7.3</vulnerable>
</package>
<package name="app-emulation/xen-tools" auto="yes" arch="*">
<unaffected range="ge">4.7.3</unaffected>
<vulnerable range="lt">4.7.3</vulnerable>
</package>
</affected>
<background>
<p>Xen is a bare-metal hypervisor.</p>
</background>
<description>
<p>Multiple vulnerabilities have been discovered in Xen. Please review the
referenced CVE identifiers for details.
</p>
</description>
<impact type="high">
<p>A local attacker could escalate privileges, cause a Denial of Service
condition, obtain sensitive information, or have other unspecified
impacts.
</p>
</impact>
<workaround>
<p>There is no known workaround at this time.</p>
</workaround>
<resolution>
<p>All Xen users should upgrade to the latest version:</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose ">=app-emulation/xen-4.7.3"
</code>
<p>All Xen pvgrub users should upgrade to the latest version:</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose ">=app-emulation/xen-pvgrub-4.7.3"
</code>
<p>All Xen Tools users should upgrade to the latest version:</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose ">=app-emulation/xen-tools-4.7.3"
</code>
</resolution>
<references>
<uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-10912">
CVE-2017-10912
</uri>
<uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-10913">
CVE-2017-10913
</uri>
<uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-10914">
CVE-2017-10914
</uri>
<uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-10915">
CVE-2017-10915
</uri>
<uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-10918">
CVE-2017-10918
</uri>
<uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-10920">
CVE-2017-10920
</uri>
<uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-10921">
CVE-2017-10921
</uri>
<uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-10922">
CVE-2017-10922
</uri>
</references>
<metadata tag="requester" timestamp="2017-10-15T20:12:25Z">b-man</metadata>
<metadata tag="submitter" timestamp="2017-10-18T00:42:15Z">chrisadr</metadata>
</glsa>
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