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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="202208-23">
<title>Xen: Multiple Vulnerabilities</title>
<synopsis>Multiple vulnerabilities have been discovered in Xen, the worst of which could result in remote code execution (guest sandbox escape).</synopsis>
<product type="ebuild">xen,xen-tools</product>
<announced>2022-08-14</announced>
<revised count="1">2022-08-14</revised>
<bug>810341</bug>
<bug>812485</bug>
<bug>816882</bug>
<bug>825354</bug>
<bug>832039</bug>
<bug>835401</bug>
<bug>850802</bug>
<access>remote</access>
<affected>
<package name="app-emulation/xen" auto="yes" arch="*">
<unaffected range="ge">4.15.3</unaffected>
<vulnerable range="lt">4.15.3</vulnerable>
</package>
<package name="app-emulation/xen-tools" auto="yes" arch="*">
<unaffected range="ge">4.15.3</unaffected>
<vulnerable range="lt">4.15.3</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 CVE identifiers referenced below for details.</p>
</description>
<impact type="high">
<p>Please review the referenced CVE identifiers for details.</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-4.15.3"
</code>
<p>All Xen tools users should upgrade to the latest version:</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose ">=app-emulation/xen-tools-4.15.3"
</code>
</resolution>
<references>
<uri link="https://nvd.nist.gov/vuln/detail/CVE-2021-28694">CVE-2021-28694</uri>
<uri link="https://nvd.nist.gov/vuln/detail/CVE-2021-28695">CVE-2021-28695</uri>
<uri link="https://nvd.nist.gov/vuln/detail/CVE-2021-28696">CVE-2021-28696</uri>
<uri link="https://nvd.nist.gov/vuln/detail/CVE-2021-28697">CVE-2021-28697</uri>
<uri link="https://nvd.nist.gov/vuln/detail/CVE-2021-28698">CVE-2021-28698</uri>
<uri link="https://nvd.nist.gov/vuln/detail/CVE-2021-28699">CVE-2021-28699</uri>
<uri link="https://nvd.nist.gov/vuln/detail/CVE-2021-28700">CVE-2021-28700</uri>
<uri link="https://nvd.nist.gov/vuln/detail/CVE-2021-28701">CVE-2021-28701</uri>
<uri link="https://nvd.nist.gov/vuln/detail/CVE-2021-28702">CVE-2021-28702</uri>
<uri link="https://nvd.nist.gov/vuln/detail/CVE-2021-28710">CVE-2021-28710</uri>
<uri link="https://nvd.nist.gov/vuln/detail/CVE-2022-21123">CVE-2022-21123</uri>
<uri link="https://nvd.nist.gov/vuln/detail/CVE-2022-21125">CVE-2022-21125</uri>
<uri link="https://nvd.nist.gov/vuln/detail/CVE-2022-21166">CVE-2022-21166</uri>
<uri link="https://nvd.nist.gov/vuln/detail/CVE-2022-23033">CVE-2022-23033</uri>
<uri link="https://nvd.nist.gov/vuln/detail/CVE-2022-23034">CVE-2022-23034</uri>
<uri link="https://nvd.nist.gov/vuln/detail/CVE-2022-23035">CVE-2022-23035</uri>
<uri link="https://nvd.nist.gov/vuln/detail/CVE-2022-26362">CVE-2022-26362</uri>
<uri link="https://nvd.nist.gov/vuln/detail/CVE-2022-26363">CVE-2022-26363</uri>
<uri link="https://nvd.nist.gov/vuln/detail/CVE-2022-26364">CVE-2022-26364</uri>
<uri>XSA-378</uri>
<uri>XSA-379</uri>
<uri>XSA-380</uri>
<uri>XSA-382</uri>
<uri>XSA-383</uri>
<uri>XSA-384</uri>
<uri>XSA-386</uri>
<uri>XSA-390</uri>
<uri>XSA-401</uri>
<uri>XSA-402</uri>
<uri>XSA-404</uri>
</references>
<metadata tag="requester" timestamp="2022-08-14T14:28:39.018721Z">ajak</metadata>
<metadata tag="submitter" timestamp="2022-08-14T14:28:39.023416Z">sam</metadata>
</glsa>
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