{"id":599,"date":"2018-03-27T22:43:35","date_gmt":"2018-03-27T20:43:35","guid":{"rendered":"http:\/\/blog.pi3.com.pl\/?p=599"},"modified":"2018-03-27T22:43:35","modified_gmt":"2018-03-27T20:43:35","slug":"lkrg-0-2","status":"publish","type":"post","link":"https:\/\/blog.pi3.com.pl\/?p=599","title":{"rendered":"LKRG 0.2"},"content":{"rendered":"<p>LKRG 0.2 was just released and the announcement note can be found here:<\/p>\n<p><a href=\"http:\/\/openwall.com\/lists\/announce\/2018\/03\/27\/1\" target=\"_blank\" rel=\"noopener\">http:\/\/openwall.com\/lists\/announce\/2018\/03\/27\/1<\/a><\/p>\n<p><!--more--><\/p>\n<p>The change log is as follows:<\/p>\n<ul>\n<li>Add support for being loaded at early boot stage (e.g. from initramfs)<\/li>\n<li>[CI] Add a new sysctl to control whether LKRG performs code integrity checks on random events (or only at regular intervals)<\/li>\n<li>Reduce performance impact, e.g. in our specific test case:<\/li>\n<ol>\n<li>Average cost of running a fully enabled LKRG =&gt; 2.5%<\/li>\n<li>Average cost of running LKRG without the code integrity checks on random events (disabled with the new sysctl) =&gt; 0.7%<\/li>\n<\/ol>\n<li>[CI] Fix a potential deadlock bug caused by get_online_cpus() function, which might sleep if CONFIG_PREEMPT_VOLUNTARY=y<\/li>\n<li>[CI] Fix dynamic NOPs injected by *_JUMP_LABEL for MWESTMERE<\/li>\n<li>[CI] Remove false positives caused by *_JUMP_LABEL in corner case scenarios<\/li>\n<li>[ED] Remove false positives when kernel executes usermode helper binaries<\/li>\n<\/ul>\n<p>Legend:<br \/>\n[CI] &#8211; Code Integrity<br \/>\n[ED] &#8211; Exploit Detection<\/p>\n<p>Best regards,<br \/>\nAdam<\/p>\n","protected":false},"excerpt":{"rendered":"<p>LKRG 0.2 was just released and the announcement note can be found here: http:\/\/openwall.com\/lists\/announce\/2018\/03\/27\/1<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[5,6,7],"tags":[],"class_list":["post-599","post","type-post","status-publish","format-standard","hentry","category-exploiting","category-ideas","category-lkrg"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/blog.pi3.com.pl\/index.php?rest_route=\/wp\/v2\/posts\/599","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.pi3.com.pl\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.pi3.com.pl\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.pi3.com.pl\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.pi3.com.pl\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=599"}],"version-history":[{"count":20,"href":"https:\/\/blog.pi3.com.pl\/index.php?rest_route=\/wp\/v2\/posts\/599\/revisions"}],"predecessor-version":[{"id":619,"href":"https:\/\/blog.pi3.com.pl\/index.php?rest_route=\/wp\/v2\/posts\/599\/revisions\/619"}],"wp:attachment":[{"href":"https:\/\/blog.pi3.com.pl\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=599"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.pi3.com.pl\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=599"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.pi3.com.pl\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=599"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}