https://vulnerability.circl.lu Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Wed, 30 Sep 2026 04:39:39 +0000 https://vulnerability.circl.lu/vuln/cve-2021-21284 <p><strong>Affected:</strong> moby</p> <p>In Docker before versions 9.03.15, 20.10.3 there is a vulnerability involving the --userns-remap option in which access to remapped root allows privilege escalation to real root. When using &#34;--userns-remap&#34;, if the root user in the remapped namespace has access to the host filesystem they can modify files under &#34;/var/lib/docker/&lt;remapping&gt;&#34; that cause writing files with extended privileges. Versions 20.10.3 and 19.03.15 contain patches that prevent privilege escalation from remapped user.</p> <p><strong>Affected:</strong> moby</p> <p>In Docker before versions 9.03.15, 20.10.3 there is a vulnerability involving the --userns-remap option in which access to remapped root allows privilege escalation to real root. When using &#34;--userns-remap&#34;, if the root user in the remapped namespace has access to the host filesystem they can modify files under &#34;/var/lib/docker/&lt;remapping&gt;&#34; that cause writing files with extended privileges. Versions 20.10.3 and 19.03.15 contain patches that prevent privilege escalation from remapped user.</p> https://vulnerability.circl.lu/vuln/cve-2021-21284