<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> <glsa id="202107-30"> <title>Xen: Multiple vulnerabilities</title> <synopsis>Multiple vulnerabilities have been found in Xen, the worst of which could result in privilege escalation. </synopsis> <product type="ebuild">xen</product> <announced>2021-07-12</announced> <revised count="1">2021-07-12</revised> <bug>760144</bug> <bug>766474</bug> <bug>783456</bug> <bug>795054</bug> <access>local, remote</access> <affected> <package name="app-emulation/xen" auto="yes" arch="*"> <unaffected range="ge">4.14.2-r1</unaffected> <unaffected range="ge">4.15.0-r1</unaffected> <vulnerable range="lt">4.15.0-r1</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 4.14.x users should upgrade to the latest version:</p> <code> # emerge --sync # emerge --ask --oneshot --verbose ">=app-emulation/xen-4.14.2-r1" </code> <p>All Xen 4.15.x users should upgrade to the latest version:</p> <code> # emerge --sync # emerge --ask --oneshot --verbose ">=app-emulation/xen-4.15.0-r1" </code> </resolution> <references> <uri link="https://nvd.nist.gov/vuln/detail/CVE-2020-29479">CVE-2020-29479</uri> <uri link="https://nvd.nist.gov/vuln/detail/CVE-2020-29486">CVE-2020-29486</uri> <uri link="https://nvd.nist.gov/vuln/detail/CVE-2020-29487">CVE-2020-29487</uri> <uri link="https://nvd.nist.gov/vuln/detail/CVE-2020-29566">CVE-2020-29566</uri> <uri link="https://nvd.nist.gov/vuln/detail/CVE-2020-29567">CVE-2020-29567</uri> <uri link="https://nvd.nist.gov/vuln/detail/CVE-2020-29568">CVE-2020-29568</uri> <uri link="https://nvd.nist.gov/vuln/detail/CVE-2020-29569">CVE-2020-29569</uri> <uri link="https://nvd.nist.gov/vuln/detail/CVE-2020-29570">CVE-2020-29570</uri> <uri link="https://nvd.nist.gov/vuln/detail/CVE-2020-29571">CVE-2020-29571</uri> <uri link="https://nvd.nist.gov/vuln/detail/CVE-2021-0089">CVE-2021-0089</uri> <uri link="https://nvd.nist.gov/vuln/detail/CVE-2021-26313">CVE-2021-26313</uri> <uri link="https://nvd.nist.gov/vuln/detail/CVE-2021-28687">CVE-2021-28687</uri> <uri link="https://nvd.nist.gov/vuln/detail/CVE-2021-28690">CVE-2021-28690</uri> <uri link="https://nvd.nist.gov/vuln/detail/CVE-2021-28691">CVE-2021-28691</uri> <uri link="https://nvd.nist.gov/vuln/detail/CVE-2021-28692">CVE-2021-28692</uri> <uri link="https://nvd.nist.gov/vuln/detail/CVE-2021-28693">CVE-2021-28693</uri> <uri link="https://nvd.nist.gov/vuln/detail/CVE-2021-3308">CVE-2021-3308</uri> </references> <metadata tag="requester" timestamp="2021-07-06T02:51:30Z">ajak</metadata> <metadata tag="submitter" timestamp="2021-07-12T02:48:56Z">ajak</metadata> </glsa>