https://cve.radiocsirt.org Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Wed, 07 Oct 2026 19:32:01 +0000 https://cve.radiocsirt.org/vuln/cve-2021-47579 <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>ovl: fix warning in ovl_create_real()</p> <p>Syzbot triggered the following warning in ovl_workdir_create() -&gt; ovl_create_real():</p> <p>if (!err &amp;&amp; WARN_ON(!newdentry-&gt;d_inode)) {</p> <p>The reason is that the cgroup2 filesystem returns from mkdir without instantiating the new dentry.</p> <p>Weird filesystems such as this will be rejected by overlayfs at a later stage during setup, but to prevent such a warning, call ovl_mkdir_real() directly from ovl_workdir_create() and reject this case early.</p> <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>ovl: fix warning in ovl_create_real()</p> <p>Syzbot triggered the following warning in ovl_workdir_create() -&gt; ovl_create_real():</p> <p>if (!err &amp;&amp; WARN_ON(!newdentry-&gt;d_inode)) {</p> <p>The reason is that the cgroup2 filesystem returns from mkdir without instantiating the new dentry.</p> <p>Weird filesystems such as this will be rejected by overlayfs at a later stage during setup, but to prevent such a warning, call ovl_mkdir_real() directly from ovl_workdir_create() and reject this case early.</p> https://cve.radiocsirt.org/vuln/cve-2021-47579