https://cve.radiocsirt.org Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Tue, 06 Oct 2026 06:44:54 +0000 https://cve.radiocsirt.org/vuln/cve-2021-46945 <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>ext4: always panic when errors=panic is specified</p> <p>Before commit 014c9caa29d3 (&#34;ext4: make ext4_abort() use __ext4_error()&#34;), the following series of commands would trigger a panic:</p> <p>1. mount /dev/sda -o ro,errors=panic test 2. mount /dev/sda -o remount,abort test</p> <p>After commit 014c9caa29d3, remounting a file system using the test mount option &#34;abort&#34; will no longer trigger a panic. This commit will restore the behaviour immediately before commit 014c9caa29d3. (However, note that the Linux kernel&#39;s behavior has not been consistent; some previous kernel versions, including 5.4 and 4.19 similarly did not panic after using the mount option &#34;abort&#34;.)</p> <p>This also makes a change to long-standing behaviour; namely, the following series commands will now cause a panic, when previously it did not:</p> <p>1. mount /dev/sda -o ro,errors=panic test 2. echo test &gt; /sys/fs/ext4/sda/trigger_fs_error</p> <p>However, this makes ext4&#39;s behaviour much more consistent, so this is a good thing.</p> <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>ext4: always panic when errors=panic is specified</p> <p>Before commit 014c9caa29d3 (&#34;ext4: make ext4_abort() use __ext4_error()&#34;), the following series of commands would trigger a panic:</p> <p>1. mount /dev/sda -o ro,errors=panic test 2. mount /dev/sda -o remount,abort test</p> <p>After commit 014c9caa29d3, remounting a file system using the test mount option &#34;abort&#34; will no longer trigger a panic. This commit will restore the behaviour immediately before commit 014c9caa29d3. (However, note that the Linux kernel&#39;s behavior has not been consistent; some previous kernel versions, including 5.4 and 4.19 similarly did not panic after using the mount option &#34;abort&#34;.)</p> <p>This also makes a change to long-standing behaviour; namely, the following series commands will now cause a panic, when previously it did not:</p> <p>1. mount /dev/sda -o ro,errors=panic test 2. echo test &gt; /sys/fs/ext4/sda/trigger_fs_error</p> <p>However, this makes ext4&#39;s behaviour much more consistent, so this is a good thing.</p> https://cve.radiocsirt.org/vuln/cve-2021-46945