<div dir="ltr"><div><div><div><div><div><div><div><div><div>Dear Ubuntu developers!<br><br></div>I can't understand how this happen, but your latest kernel upgrade broke many user-space applications.<br></div><br>For me this process was started from Scilab. I can't use it with new kernels (linux-<wbr>image-3.<wbr>13.0-121-<wbr>generic on 14.04; linux-image-<wbr>4.4.0-81-<wbr>generic on 16.04).<br></div>So I reported bug to launchpad - <a href="https://bugs.launchpad.net/bugs/1699892">https://bugs.launchpad.net/bugs/1699892</a> .<br></div><div><br>Scilab users ask their developers for the fix, but the root of the problem is the kernel (see <a href="http://bugzilla.scilab.org/show_bug.cgi?id=15141">http://bugzilla.scilab.org/show_bug.cgi?id=15141</a>,
<a href="http://bugzilla.scilab.org/show_bug.cgi?id=15145">http://bugzilla.scilab.org/show_bug.cgi?id=15145</a>,
<a href="http://bugzilla.scilab.org/show_bug.cgi?id=15192,http://bugzilla.scilab.org/show_bug.cgi?id=15194">http://bugzilla.scilab.org/show_bug.cgi?id=15192,http://bugzilla.scilab.org/show_bug.cgi?id=15194</a>,
<a href="http://bugzilla.scilab.org/show_bug.cgi?id=15195">http://bugzilla.scilab.org/show_bug.cgi?id=15195</a>).<br></div><div><br></div>After some digging I discovered that other apps are affected too - see comments on other bug page ( <a href="https://bugs.launchpad.net/bugs/1698919">https://bugs.launchpad.net/bugs/1698919</a> ). The list contain the following programs:<br>* Oracle Java Plugin (see <a href="https://bugs.launchpad.net/bugs/1699772">https://bugs.launchpad.net/bugs/1699772</a> )<br>* Scilab at least in Trusty and Xenial (see<br><a href="https://bugs.launchpad.net/bugs/1699892">https://bugs.launchpad.net/bugs/1699892</a> )<br>* LPCxpresso (see <a href="https://community.nxp.com/thread/453939">https://community.nxp.com/thread/453939</a> )<br>* RMongo (see <a href="https://stackoverflow.com/a/44699417">https://stackoverflow.com/a/44699417</a> )<br>* Ubiquity UniFi (see<br><a href="https://community.ubnt.com/t5/UniFi-Wireless/UniFi-Controller-failed-after-dist-upgrade/td-p/1967779">https://community.ubnt.com/t5/UniFi-Wireless/UniFi-Controller-failed-after-dist-upgrade/td-p/1967779</a><br>)<br>* Eclipse (see<br><a href="https://askubuntu.com/questions/927746/eclipse-crashes-with-linux-kernel-4-4-0-81-generic">https://askubuntu.com/questions/927746/eclipse-crashes-with-linux-kernel-4-4-0-81-generic</a> )<br><br></div><div>Debian 7, 8 and 9 are affected too (see <a href="https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=865549">https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=865549</a> and <a href="http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=865672">http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=865672</a> ).<br></div><div><br></div>It is not OK.<br></div>Do you plan to revert this security patch?<br></div>Problem may have wider spread, than detected now.<br><br></div>With best regards,<br></div>Norbert.<br></div>