{"id":25713,"date":"2019-11-25T15:22:00","date_gmt":"2019-11-25T15:22:00","guid":{"rendered":"https:\/\/udsenterprise.com\/linux-54-brings-lockdown-new-security-mode\/"},"modified":"2023-09-21T12:26:52","modified_gmt":"2023-09-21T12:26:52","slug":"linux-54-brings-lockdown-new-security-mode","status":"publish","type":"post","link":"https:\/\/udsenterprise.com\/en\/linux-54-brings-lockdown-new-security-mode\/","title":{"rendered":"Linux 5.4 brings Lockdown, a new security mode"},"content":{"rendered":"<p>Lockdown comes <strong>locked by default<\/strong> and allows two lock modes: <strong>integrity<\/strong> and <strong>confidentiality<\/strong>. The first provides a full block, so it is impossible to make any modification in the kernel. The second adds one more limitation: <strong>all functions that allow to extract confidential information about the kernel are also totally blocked<\/strong>.<\/p>\n<p>Another highlight of Linux 5.4 is the <strong>native support of exFAT<\/strong>, the new Microsoft file system that accelerates file transfer, even with large multimedia files.<\/p>\n<p>In addition, graphics performance has been improved by adding <strong>support for AMD Radeon Navi 12 and 14 GPUs<\/strong>, <strong>AMD Radeon Arcturus GPUs and AMU Dali APU<\/strong>. <\/p>\n<p>Support has also been improved by adding new functions and features for AMD Ryzen 3000 series CPUs and AMD EPYC microprocessors.<\/p>\n<p>Among the rest of the Linux 5.4 enhancements are the <strong>compatibility with Intel Tiger Lake CPUs, Qualcomm Snapdragon 855 SoCs, support for Intel Lightning Mountain SoC<\/strong>, improved application memory management on Android and a new high-performance virtio controller to share files.<\/p>\n<p>The list of all the news is available in the <strong><a href=\"https:\/\/lkml.org\/lkml\/2019\/11\/24\/187\" target=\"_blank\" rel=\"nofollow noopener\">announcement made by Linus Torvalds<\/a><\/strong> and in <strong><a href=\"https:\/\/kernelnewbies.org\/Linux_5.4\" target=\"_blank\" rel=\"nofollow noopener\">Kernelnewbies<\/a><\/strong>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Linus Torvalds announced yesterday the <strong>availability of Linux 5.4<\/strong>. The latest stable version of this operating system comes with a <strong>new security function<\/strong> that has sparked the debate between different sectors of the community. Enabling <strong>Lockdown prevents even users with root permissions from making changes to the kernel code<\/strong>. Their opponents claim that it goes against the Open Source philosophy of this project and their supporters praise the security improvements promised by this system.<\/p>\n","protected":false},"author":2,"featured_media":11212,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[985,1023,931],"tags":[986,1024,934],"class_list":["post-25713","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hot-news","category-linux-en","category-open-source","tag-hot-news","tag-linux-en","tag-open-source"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.1 (Yoast SEO v27.1.1) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Linux 5.4 brings Lockdown, a new security mode<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/udsenterprise.com\/en\/linux-54-brings-lockdown-new-security-mode\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Linux 5.4 brings Lockdown, a new security mode\" \/>\n<meta property=\"og:description\" content=\"Linus Torvalds announced yesterday the availability of Linux 5.4. The latest stable version of this operating system comes with a new security function that has sparked the debate between different sectors of the community. Enabling Lockdown prevents even users with root permissions from making changes to the kernel code. 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Su producto estrella, UDS Enterprise, es un broker de conexiones multiplataforma que permite la administraci\u00f3n y despliegue de escritorios virtuales Windows y Linux, la virtualizaci\u00f3n de aplicaciones y el acceso remoto a equipos f\u00edsicos con sistemas operativos Windows, Linux y macOS\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/udsenterprise.com\/en\/#\/schema\/person\/83f63ed09241332cf10f8f6e7bbdd920\",\"name\":\"UDS Enterprise Team\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/udsenterprise.com\/en\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/b415c61bc26d023da7c12ea873f9088732accd901f13dd03e6db59c6232a06a9?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/b415c61bc26d023da7c12ea873f9088732accd901f13dd03e6db59c6232a06a9?s=96&d=mm&r=g\",\"caption\":\"UDS Enterprise Team\"}}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Linux 5.4 brings Lockdown, a new security mode","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/udsenterprise.com\/en\/linux-54-brings-lockdown-new-security-mode\/","og_locale":"en_US","og_type":"article","og_title":"Linux 5.4 brings Lockdown, a new security mode","og_description":"Linus Torvalds announced yesterday the availability of Linux 5.4. 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