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<a href="#supported-os" class="md-nav__link">
Supported OS
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<a href="#data-sources" class="md-nav__link">
Data Sources
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Data source selection
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Distributions
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CBL-Mariner
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Support
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Examples
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<h1 id="os-packages">OS Packages</h1>
<p>Trivy is capable of automatically detecting installed OS packages when scanning container images, VM images and running hosts.
This page provides an overview of OS packages in the context of Trivy scans.</p>
<h2 id="supported-os">Supported OS</h2>
<p>The unfixed/unfixable vulnerabilities mean that the patch has not yet been provided on their distribution.
To hide unfixed/unfixable vulnerabilities, you can use the <code>--ignore-unfixed</code> flag.</p>
<p>Trivy doesn't support self-compiled packages/binaries, but official packages provided by vendors such as Red Hat and Debian.</p>
<table>
<thead>
<tr>
<th>OS</th>
<th>Supported Versions</th>
<th>Target Packages</th>
<th align="center">Detection of unfixed vulnerabilities</th>
</tr>
</thead>
<tbody>
<tr>
<td>Alpine Linux</td>
<td>2.2 - 2.7, 3.0 - 3.17, edge</td>
<td>Installed by apk</td>
<td align="center">NO</td>
</tr>
<tr>
<td>Wolfi Linux</td>
<td>(n/a)</td>
<td>Installed by apk</td>
<td align="center">NO</td>
</tr>
<tr>
<td>Chainguard</td>
<td>(n/a)</td>
<td>Installed by apk</td>
<td align="center">NO</td>
</tr>
<tr>
<td>Red Hat Universal Base Image<sup id="fnref:1"><a class="footnote-ref" href="#fn:1">1</a></sup></td>
<td>7, 8, 9</td>
<td>Installed by yum/rpm</td>
<td align="center">YES</td>
</tr>
<tr>
<td>Red Hat Enterprise Linux</td>
<td>6, 7, 8</td>
<td>Installed by yum/rpm</td>
<td align="center">YES</td>
</tr>
<tr>
<td>CentOS</td>
<td>6, 7, 8</td>
<td>Installed by yum/rpm</td>
<td align="center">YES</td>
</tr>
<tr>
<td>AlmaLinux</td>
<td>8, 9</td>
<td>Installed by yum/rpm</td>
<td align="center">NO</td>
</tr>
<tr>
<td>Rocky Linux</td>
<td>8, 9</td>
<td>Installed by yum/rpm</td>
<td align="center">NO</td>
</tr>
<tr>
<td>Oracle Linux</td>
<td>5, 6, 7, 8</td>
<td>Installed by yum/rpm</td>
<td align="center">NO</td>
</tr>
<tr>
<td>CBL-Mariner</td>
<td>1.0, 2.0</td>
<td>Installed by yum/rpm</td>
<td align="center">YES</td>
</tr>
<tr>
<td>Amazon Linux</td>
<td>1, 2, 2023</td>
<td>Installed by yum/rpm</td>
<td align="center">NO</td>
</tr>
<tr>
<td>openSUSE Leap</td>
<td>42, 15</td>
<td>Installed by zypper/rpm</td>
<td align="center">NO</td>
</tr>
<tr>
<td>SUSE Enterprise Linux</td>
<td>11, 12, 15</td>
<td>Installed by zypper/rpm</td>
<td align="center">NO</td>
</tr>
<tr>
<td>Photon OS</td>
<td>1.0, 2.0, 3.0, 4.0</td>
<td>Installed by tdnf/yum/rpm</td>
<td align="center">NO</td>
</tr>
<tr>
<td>Debian GNU/Linux</td>
<td>wheezy, jessie, stretch, buster, bullseye</td>
<td>Installed by apt/apt-get/dpkg</td>
<td align="center">YES</td>
</tr>
<tr>
<td>Ubuntu</td>
<td>All versions supported by Canonical</td>
<td>Installed by apt/apt-get/dpkg</td>
<td align="center">YES</td>
</tr>
<tr>
<td>Distroless<sup id="fnref:2"><a class="footnote-ref" href="#fn:2">2</a></sup></td>
<td>Any</td>
<td>Installed by apt/apt-get/dpkg</td>
<td align="center">YES</td>
</tr>
</tbody>
</table>
<h2 id="data-sources">Data Sources</h2>
<table>
<thead>
<tr>
<th>OS</th>
<th>Source</th>
</tr>
</thead>
<tbody>
<tr>
<td>Arch Linux</td>
<td><a href="https://security.archlinux.org/">Vulnerable Issues</a></td>
</tr>
<tr>
<td>Alpine Linux</td>
<td><a href="https://secdb.alpinelinux.org/">secdb</a></td>
</tr>
<tr>
<td>Wolfi Linux</td>
<td><a href="https://packages.wolfi.dev/os/security.json">secdb</a></td>
</tr>
<tr>
<td>Chainguard</td>
<td><a href="https://packages.cgr.dev/chainguard/security.json">secdb</a></td>
</tr>
<tr>
<td>Amazon Linux</td>
<td><a href="https://alas.aws.amazon.com/">Amazon Linux Security Center</a></td>
</tr>
<tr>
<td>Debian</td>
<td><a href="https://security-tracker.debian.org/tracker/">Security Bug Tracker</a></td>
</tr>
<tr>
<td></td>
<td><a href="https://www.debian.org/security/oval/">OVAL</a></td>
</tr>
<tr>
<td>Ubuntu</td>
<td><a href="https://ubuntu.com/security/cve">Ubuntu CVE Tracker</a></td>
</tr>
<tr>
<td>RHEL/CentOS</td>
<td><a href="https://www.redhat.com/security/data/oval/v2/">OVAL</a></td>
</tr>
<tr>
<td></td>
<td><a href="https://www.redhat.com/security/data/metrics/">Security Data</a></td>
</tr>
<tr>
<td>AlmaLinux</td>
<td><a href="https://errata.almalinux.org/">AlmaLinux Product Errata</a></td>
</tr>
<tr>
<td>Rocky Linux</td>
<td><a href="https://download.rockylinux.org/pub/rocky/">Rocky Linux UpdateInfo</a></td>
</tr>
<tr>
<td>Oracle Linux</td>
<td><a href="https://linux.oracle.com/security/oval/">OVAL</a></td>
</tr>
<tr>
<td>CBL-Mariner</td>
<td><a href="https://github.com/microsoft/CBL-MarinerVulnerabilityData/">OVAL</a></td>
</tr>
<tr>
<td>OpenSUSE/SLES</td>
<td><a href="http://ftp.suse.com/pub/projects/security/cvrf/">CVRF</a></td>
</tr>
<tr>
<td>Photon OS</td>
<td><a href="https://packages.vmware.com/photon/photon_cve_metadata/">Photon Security Advisory</a></td>
</tr>
</tbody>
</table>
<h3 id="data-source-selection">Data source selection</h3>
<p>Trivy <strong>only</strong> consumes security advisories from the sources listed in the above table.</p>
<p>As for packages installed from OS package managers (<code>dpkg</code>, <code>yum</code>, <code>apk</code>, etc.), Trivy uses the advisory database from the appropriate <strong>OS vendor</strong>.</p>
<p>For example: for a python package installed from <code>yum</code> (Amazon linux), Trivy will only get advisories from <a href="https://alas.aws.amazon.com/">ALAS</a>.
But for a python package installed from another source (e.g. <code>pip</code>), Trivy will get advisories from the <code>GitLab</code> and <code>GitHub</code> databases.</p>
<p>This advisory selection is essential to avoid getting false positives because OS vendors usually backport upstream fixes, and the fixed version can be different from the upstream fixed version.
The severity is from the selected data source.
If the data source does not provide severity, it falls back to <a href="https://nvd.nist.gov/">NVD</a>, and if NVD does not have severity, it will be UNKNOWN.</p>
<h2 id="distributions">Distributions</h2>
<h3 id="cbl-mariner">CBL-Mariner</h3>
<p>Trivy scans <a href="https://github.com/microsoft/CBL-Mariner">CBL-Mariner</a>.</p>
<h4 id="support">Support</h4>
<p>The following table provides an outline of the features Trivy offers.</p>
<table>
<thead>
<tr>
<th>Version</th>
<th align="center">Container image</th>
<th align="center">Virtual machine</th>
<th align="center">Distroless</th>
<th align="center">Multi-arch</th>
<th align="center">Unfixed support</th>
</tr>
</thead>
<tbody>
<tr>
<td>1.0</td>
<td align="center"></td>
<td align="center"></td>
<td align="center"></td>
<td align="center">amd64, arm64</td>
<td align="center"></td>
</tr>
<tr>
<td>2.0</td>
<td align="center"></td>
<td align="center"></td>
<td align="center"></td>
<td align="center">amd64, arm64</td>
<td align="center"></td>
</tr>
</tbody>
</table>
<h3 id="examples">Examples</h3>
<div class="tabbed-set tabbed-alternate" data-tabs="1:2"><input checked="checked" id="__tabbed_1_1" name="__tabbed_1" type="radio" /><input id="__tabbed_1_2" name="__tabbed_1" type="radio" /><div class="tabbed-labels"><label for="__tabbed_1_1">image</label><label for="__tabbed_1_2">rootfs</label></div>
<div class="tabbed-content">
<div class="tabbed-block">
<div class="highlight"><pre><span></span><code>➜ trivy image mcr.microsoft.com/cbl-mariner/base/core:2.0
2022-07-27T14:48:20.355+0600 INFO Detected OS: cbl-mariner
2022-07-27T14:48:20.355+0600 INFO Detecting CBL-Mariner vulnerabilities...
2022-07-27T14:48:20.356+0600 INFO Number of language-specific files: 0
mcr.microsoft.com/cbl-mariner/base/core:2.0 (cbl-mariner 2.0.20220527)
Total: 33 (UNKNOWN: 0, LOW: 0, MEDIUM: 15, HIGH: 13, CRITICAL: 5)
</code></pre></div>
</div>
<div class="tabbed-block">
<div class="highlight"><pre><span></span><code>➜ docker run -it --rm --entrypoint bin/bash mcr.microsoft.com/cbl-mariner/base/core:2.0
root [ / ]# tdnf -y install ca-certificates
root [ / ]# # Install the latest Trivy
root [ / ]# trivy rootfs /
2022-07-27T09:30:06.815Z INFO Need to update DB
2022-07-27T09:30:06.815Z INFO DB Repository: ghcr.io/aquasecurity/trivy-db
2022-07-27T09:30:06.815Z INFO Downloading DB...
33.25 MiB / 33.25 MiB [------------------------------] 100.00% 4.20 MiB p/s 8.1s
2022-07-27T09:30:21.756Z INFO Vulnerability scanning is enabled
2022-07-27T09:30:21.756Z INFO Secret scanning is enabled
2022-07-27T09:30:21.756Z INFO If your scanning is slow, please try &#39;--scanners vuln&#39; to disable secret scanning
2022-07-27T09:30:21.756Z INFO Please see also https://aquasecurity.github.io/trivy/v0.30.4/docs/secret/scanning/#recommendation for faster secret detection
2022-07-27T09:30:22.205Z INFO Detected OS: cbl-mariner
2022-07-27T09:30:22.205Z INFO Detecting CBL-Mariner vulnerabilities...
2022-07-27T09:30:22.205Z INFO Number of language-specific files: 0
40ba9a55397c (cbl-mariner 2.0.20220527)
=======================================
Total: 33 (UNKNOWN: 0, LOW: 0, MEDIUM: 15, HIGH: 13, CRITICAL: 5)
</code></pre></div>
</div>
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<div class="footnote">
<hr />
<ol>
<li id="fn:1">
<p>https://developers.redhat.com/products/rhel/ubi&#160;<a class="footnote-backref" href="#fnref:1" title="Jump back to footnote 1 in the text">&#8617;</a></p>
</li>
<li id="fn:2">
<p>https://github.com/GoogleContainerTools/distroless&#160;<a class="footnote-backref" href="#fnref:2" title="Jump back to footnote 2 in the text">&#8617;</a></p>
</li>
</ol>
</div>
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