14 DAY TRIAL // Several security vulnerabilities that were discovered in the OpenJDK 6 packages by various developers, this time affecting the Ubuntu 10.04 LTS (Lucid Lynx), Ubuntu 10.10 (Maverick Meerkat), Ubuntu 11.04 (Natty Narwhal), and Ubuntu 11.10 (Oneiric Ocelot) operating systems, were announced by Canonical.
These are the kernel vulnerabilities found recently in the Linux kernel packages: CVE-2011-3389, CVE-2011-3377, CVE-2011-3389, CVE-2011-3521, CVE-2011-3544, CVE-2011-3547, CVE-2011-3548, CVE-2011-3551, CVE-2011-3552, CVE-2011-3553, CVE-2011-3554, CVE-2011-3556, CVE-2011-3557, CVE-2011-3558, and CVE-2011-3560.
As usual, you can click on each one to see how it affects your Ubuntu system, or go here for an in-depth description.
The security flaws can be fixed if you upgrade your system(s) to the proper version of OpenJDK, as detailed in the security notice.
After a standard system update you need to restart any Java applications or applets to make all the necessary changes.