215 lines
7.5 KiB
XML
215 lines
7.5 KiB
XML
<?xml version="1.0" encoding="iso-8859-1"?>
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<!DOCTYPE html PUBLIC "-//FreeBSD//DTD XHTML 1.0 Transitional-Based Extension//EN"
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"http://www.FreeBSD.org/XML/share/xml/xhtml10-freebsd.dtd" [
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<!ENTITY title "FreeBSD Security Information">
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]>
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<!-- $FreeBSD$ -->
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<html xmlns="http://www.w3.org/1999/xhtml">
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<head>
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<title>&title;</title>
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<cvs:keyword xmlns:cvs="http://www.FreeBSD.org/XML/CVS">$FreeBSD$</cvs:keyword>
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</head>
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<body class="navinclude.support">
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<h2>Introduction</h2>
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<p>FreeBSD takes security very seriously and its developers are
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constantly working on making the operating system as secure as
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possible. This page will provide information about what to do in
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the event of a security vulnerability affecting your system</p>
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<h2>Table of Contents</h2>
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<ul>
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<li><a href="#reporting">Reporting FreeBSD security
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incidents</a></li>
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<li><a href="#recent">Recent FreeBSD security
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vulnerabilities</a></li>
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<li><a href="#advisories">Understanding FreeBSD security
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advisories</a></li>
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<li><a href="#how">How to update your
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system</a></li>
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<li><a href="#sup">Supported FreeBSD releases</a></li>
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<li><a href="#model">The FreeBSD support model</a></li>
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</ul>
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<a name="reporting"></a>
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<h2>Reporting FreeBSD security incidents</h2>
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<p>FreeBSD security issues specific to the base system
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should be reported via email to the <a
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href="mailto:secteam@FreeBSD.org">FreeBSD Security Team</a>
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or, if a higher level of confidentiality is required, via PGP
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encrypted email to the <a
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href="mailto:security-officer@FreeBSD.org">Security Officer
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Team</a>
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using the <a href="so_public_key.asc">Security Officer PGP
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key</a>.
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Additional information can be found at the <a
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href="reporting.html">reporting FreeBSD security incidents</a>
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page.</p>
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<a name="recent"></a>
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<h2>Recent FreeBSD security vulnerabilities</h2>
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<p>A full list of all security vulnerabilities affecting the base
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system can be found <a href="advisories.html">on this
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page</a>.</p>
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<a name="advisories"></a>
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<h2>Understanding FreeBSD security advisories</h2>
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<p>Advisories affecting the base system are sent to the following
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mailing lists:</p>
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<ul>
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<li>FreeBSD-security-notifications@FreeBSD.org</li>
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<li>FreeBSD-security@FreeBSD.org</li>
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<li>FreeBSD-announce@FreeBSD.org</li>
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</ul>
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<p>The list of released advisories can be found on the <a
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href="advisories.html">FreeBSD Security Advisories</a> page.</p>
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<p>Advisories are always signed using the FreeBSD Security Officer
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<a href="so_public_key.asc">PGP key</a> and are archived, along
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with their associated patches, at the <a
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href="http://security.FreeBSD.org/">http://security.FreeBSD.org/</a>
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web server in the <a
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href="http://security.FreeBSD.org/advisories/">advisories</a>
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and <a href="http://security.FreeBSD.org/patches/">patches</a>
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subdirectories.</p>
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<p>The FreeBSD Security Officer provides security advisories for
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<em>-STABLE Branches</em> and the <em>Security Branches</em>.
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(Advisories are not issued for the <em>-CURRENT Branch</em>,
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which is primarily oriented towards &os; developers.)</p>
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<ul>
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<li><p>The -STABLE branch tags have names like <tt>stable/10</tt>.
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The corresponding builds have names like <tt>FreeBSD
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10.1-STABLE</tt>.</p></li>
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<li><p>Each FreeBSD Release has an associated Security Branch.
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The Security Branch tags have names like <tt>releng/10.1</tt>.
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The corresponding builds have names like <tt>FreeBSD
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10.1-RELEASE-p4</tt>.</p></li>
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</ul>
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<p>Issues affecting the FreeBSD Ports Collection are covered
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separately in <a href="http://vuxml.FreeBSD.org/">the FreeBSD
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VuXML document</a>.</p>
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<a name="how"></a>
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<h2>How to update your system</h2>
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<p>For users that have previously installed a binary version of &os;
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(e.g., &rel.current; or &rel2.current;),
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commands:</p>
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<tt># freebsd-update fetch<br />
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# freebsd-update install</tt>
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<p>If that fails, follow the other instructions in the security
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advisory you care about.</p>
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<p>Note that the above procedure is only for users who have
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previously installed a binary distribution. Those who have
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built from source will need to update their source tree to
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upgrade.</p>
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<a name="sup"></a>
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<h2>Supported FreeBSD releases</h2>
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<p>Each release is supported by the Security Officer for a limited
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time only.</p>
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<p>The designation and expected lifetime of all currently supported
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branches
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and their respective releases
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are given below. The <em>Expected EoL (end-of-life)</em>
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column indicates the earliest date on which support for that
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branch or release will end. Please note that these dates may be
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pushed back if circumstances warrant it.</p>
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<p><a href="unsupported.html">Older releases</a>
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are not supported and users are strongly
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encouraged to upgrade to one of these supported releases:</p>
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<!--
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Please also update head/en_US.ISO8859-1/htdocs/releng/index.xml
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when updating this list of supported branches.
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-->
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<table class="tblbasic">
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<tr>
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<th>Branch</th>
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<th>Release</th>
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<th>Type</th>
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<th>Release Date</th>
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<th>Expected EoL</th>
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</tr>
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<tr>
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<td>stable/11</td>
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<td>n/a</td>
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<td>n/a</td>
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<td>n/a</td>
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<td>September 30, 2021</td>
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</tr>
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<tr>
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<td>releng/11.2</td>
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<td>11.2-RELEASE</td>
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<td>n/a</td>
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<td>June 28, 2018</td>
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<td>11.3-RELEASE + 3 months</td>
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</tr>
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</table>
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<p>In the run-up to a release, a number of -BETA and -RC releases
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may be published for testing purposes. These releases are only
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supported for a few weeks, as resources permit, and will not be
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listed as supported on this page. Users are strongly discouraged
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from running these releases on production systems.</p>
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<a name="model"></a>
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<h2>The FreeBSD support model</h2>
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<p>Effective &os; 11.0-RELEASE, the support model has been
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changed to allow more rapid development while also providing
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timely security updates for all supported releases.</p>
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<p>Under the new support model, each major version's stable branch
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is explicitly supported for 5 years, while each individual point
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release is only supported for three months after the next point
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release.</p>
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<p>The details and rationale behind this change can be found in the
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<a
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href="https://lists.freebsd.org/pipermail/freebsd-announce/2015-February/001624.html">official
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announcement</a> sent in February 2015.</p>
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<p>Previously, branches were designated as either <em>Normal</em> or
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<em>Extended</em>. The designation was used as a guideline for
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determining the lifetime of the branch as follows:</p>
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<dl>
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<dt>Normal</dt>
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<dd>Releases which are published from a -STABLE branch were
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supported by the Security Officer for a minimum of 12 months
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after the release, and for sufficient additional time (if
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needed) to ensure that there is a newer release for at least
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3 months before the older Normal release expires.
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</dd>
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<dt>Extended</dt>
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<dd>Selected releases (normally every second release plus the last
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release from each -STABLE branch) were supported by the Security
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Officer for a minimum of 24 months after the release, and for
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sufficient additional time (if needed) to ensure that there is
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a newer Extended release for at least 3 months before the older
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Extended release expires.
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</dd>
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</dl>
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</body>
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</html>
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