generated from sig_core/wiki-template
759 lines
23 KiB
HTML
759 lines
23 KiB
HTML
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<!doctype html>
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<html lang="en" class="no-js">
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<head>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width,initial-scale=1">
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<meta name="description" content="The wiki for the Rocky Linux Security Special Interest Group">
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<link rel="canonical" href="https://sig-security.rocky.page/packages/lkrg/">
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<link rel="prev" href="../hardened_malloc/">
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<link rel="next" href="../microcode_ctl/">
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<link rel="icon" href="../../assets/images/favicon.png">
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<meta name="generator" content="mkdocs-1.5.3, mkdocs-material-9.4.8">
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<title>Extra package: lkrg - SIG/Security Wiki</title>
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<link rel="stylesheet" href="../../assets/stylesheets/main.4b4a2bd9.min.css">
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<link rel="stylesheet" href="../../assets/stylesheets/palette.356b1318.min.css">
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</head>
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<a href="#extra-package-lkrg" class="md-skip">
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Skip to content
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<div data-md-component="announce">
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<img src="../../assets/icon-white.svg" alt="logo">
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</a>
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<label class="md-header__button md-icon" for="__drawer">
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SIG/Security Wiki
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Extra package: lkrg
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</div>
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<div class="md-search__inner" role="search">
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<label class="md-search__icon md-icon" for="__search">
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<nav class="md-search__options" aria-label="Search">
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<button type="reset" class="md-search__icon md-icon" title="Clear" aria-label="Clear" tabindex="-1">
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<div class="md-search__output">
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<div class="md-search__scrollwrap" data-md-scrollfix>
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<div class="md-search-result__meta">
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Initializing search
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<ol class="md-search-result__list" role="presentation"></ol>
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<div class="md-header__source">
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<div class="md-source__icon md-icon">
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security/wiki
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</a>
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</div>
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</nav>
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</header>
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<div class="md-container" data-md-component="container">
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<main class="md-main" data-md-component="main">
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<nav class="md-nav md-nav--primary md-nav--integrated" aria-label="Navigation" data-md-level="0">
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<label class="md-nav__title" for="__drawer">
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<a href="../.." title="SIG/Security Wiki" class="md-nav__button md-logo" aria-label="SIG/Security Wiki" data-md-component="logo">
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<img src="../../assets/icon-white.svg" alt="logo">
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</a>
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SIG/Security Wiki
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</label>
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<div class="md-nav__source">
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<a href="https://git.resf.org/security/wiki" title="Go to repository" class="md-source" data-md-component="source">
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<div class="md-source__icon md-icon">
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<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 448 512"><!--! Font Awesome Free 6.4.2 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License) Copyright 2023 Fonticons, Inc.--><path d="M439.55 236.05 244 40.45a28.87 28.87 0 0 0-40.81 0l-40.66 40.63 51.52 51.52c27.06-9.14 52.68 16.77 43.39 43.68l49.66 49.66c34.23-11.8 61.18 31 35.47 56.69-26.49 26.49-70.21-2.87-56-37.34L240.22 199v121.85c25.3 12.54 22.26 41.85 9.08 55a34.34 34.34 0 0 1-48.55 0c-17.57-17.6-11.07-46.91 11.25-56v-123c-20.8-8.51-24.6-30.74-18.64-45L142.57 101 8.45 235.14a28.86 28.86 0 0 0 0 40.81l195.61 195.6a28.86 28.86 0 0 0 40.8 0l194.69-194.69a28.86 28.86 0 0 0 0-40.81z"/></svg>
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<div class="md-source__repository">
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security/wiki
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</div>
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</a>
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</div>
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<span class="md-ellipsis">
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SIG/Security Wiki
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</span>
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</a>
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Issues
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|
||
|
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|
||
|
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<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M10 20H6V4h7v5h5v3.1l2-2V8l-6-6H6c-1.1 0-2 .9-2 2v16c0 1.1.9 2 2 2h4v-2m10.2-7c.1 0 .3.1.4.2l1.3 1.3c.2.2.2.6 0 .8l-1 1-2.1-2.1 1-1c.1-.1.2-.2.4-.2m0 3.9L14.1 23H12v-2.1l6.1-6.1 2.1 2.1Z"/></svg>
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<h1 id="extra-package-lkrg">Extra package: lkrg<a class="headerlink" href="#extra-package-lkrg" title="Permanent link">¶</a></h1>
|
||
|
|
<h2 id="el8-and-el9">EL8 and EL9<a class="headerlink" href="#el8-and-el9" title="Permanent link">¶</a></h2>
|
||
|
|
<ul>
|
||
|
|
<li>Version <code>lkrg-0.9.7-4.el9_2.security</code></li>
|
||
|
|
<li>Based on upstream version <code>0.9.7</code></li>
|
||
|
|
</ul>
|
||
|
|
<h3 id="package-summary">Package summary<a class="headerlink" href="#package-summary" title="Permanent link">¶</a></h3>
|
||
|
|
<p>LKRG, or Linux Kernel Runtime Guard, is a kernel module that performs runtime integrity checking of the Linux kernel and detection of security vulnerability exploits against the kernel.</p>
|
||
|
|
<p>More information is available on the <a href="https://lkrg.org">LKRG homepage</a> and in the documentation files included in the package.</p>
|
||
|
|
<h3 id="usage-in-rocky-linux">Usage in Rocky Linux<a class="headerlink" href="#usage-in-rocky-linux" title="Permanent link">¶</a></h3>
|
||
|
|
<p>Due to EL's kABI stability and the <code>weak-modules</code> mechanism, which this package uses, the same binary package of LKRG works across different kernel revisions/builds within the same EL minor release (e.g., 9.2). Once there's a new minor release (e.g., 9.2 is upgraded to 9.3), we'll provide a new build of LKRG accordingly.</p>
|
||
|
|
<p>Installing the package does not automatically start LKRG nor enable it to start on system bootup. To start LKRG please use:</p>
|
||
|
|
<div class="highlight"><pre><span></span><code>systemctl start lkrg
|
||
|
|
</code></pre></div>
|
||
|
|
<p>To enable LKRG on bootup please use:</p>
|
||
|
|
<div class="highlight"><pre><span></span><code>systemctl enable lkrg
|
||
|
|
</code></pre></div>
|
||
|
|
<h3 id="testing-and-recovery">Testing and recovery<a class="headerlink" href="#testing-and-recovery" title="Permanent link">¶</a></h3>
|
||
|
|
<p>Although the current package passed our own testing (on 8.8 and 9.2), we recommend that you only enable LKRG to start on system bootup after you've tested it for a while to ensure its compatibility with your system. If you nevertheless run into a boot time issue with LKRG later, you can disable it with the <code>nolkrg</code> kernel command-line option.</p>
|
||
|
|
<h3 id="change-log">Change log<a class="headerlink" href="#change-log" title="Permanent link">¶</a></h3>
|
||
|
|
<div class="highlight"><pre><span></span><code>* Wed Nov 08 2023 Solar Designer <solar@openwall.com> 0.9.7-4
|
||
|
|
- Add a couple of upstream patches, most notably to fix kINT false positives on
|
||
|
|
EL 8.8.
|
||
|
|
|
||
|
|
* Tue Oct 24 2023 Solar Designer <solar@openwall.com> 0.9.7-3
|
||
|
|
- Use weak-modules if available so that on RHEL and its rebuilds the same LKRG
|
||
|
|
package build works across different kABI-compatible kernel revisions/builds
|
||
|
|
- Drop 32-bit x86 from ExclusiveArch since recent RHEL lacks such kernel-devel
|
||
|
|
|
||
|
|
* Thu Sep 14 2023 Solar Designer <solar@openwall.com> 0.9.7-2
|
||
|
|
- Use kernel build directory corresponding to the kernel-devel package, not to
|
||
|
|
the currently running kernel
|
||
|
|
- "BuildRequires: kernel" for the /lib/modules/* directory
|
||
|
|
- "BuildRequires: elfutils-libelf-devel" to support CONFIG_UNWINDER_ORC=y
|
||
|
|
|
||
|
|
* Thu Sep 14 2023 Solar Designer <solar@openwall.com> 0.9.7-1
|
||
|
|
- Wrote this rough RPM spec file for Red Hat'ish distros, seems to work fine on
|
||
|
|
RHEL 7, 8, 9 rebuilds, but is only reliable when there's exactly one
|
||
|
|
kernel-devel package installed at build time and it exactly matches the target
|
||
|
|
kernel version.
|
||
|
|
</code></pre></div>
|
||
|
|
|
||
|
|
<hr>
|
||
|
|
<div class="md-source-file">
|
||
|
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<small>
|
||
|
|
|
||
|
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Last update:
|
||
|
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<span class="git-revision-date-localized-plugin git-revision-date-localized-plugin-date">November 16, 2023</span>
|
||
|
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|
||
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|
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|
||
|
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|
||
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|
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|
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<button type="button" class="md-top md-icon" data-md-component="top" hidden>
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Copyright © 2023 Rocky Enterprise Software Foundation
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<script id="__config" type="application/json">{"base": "../..", "features": ["navigation.expand", "navigation.indexes", "navigation.instant", "navigation.sections", "navigation.top", "navigation.tracking", "navigation.path", "search.highlight", "search.suggest", "toc.integrate", "content.action.edit"], "search": "../../assets/javascripts/workers/search.f886a092.min.js", "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}}</script>
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