{"id":247472,"date":"2022-07-22T09:00:34","date_gmt":"2022-07-22T01:00:34","guid":{"rendered":"https:\/\/lrxjmw.cn\/?p=247472"},"modified":"2022-07-20T10:46:05","modified_gmt":"2022-07-20T02:46:05","slug":"ubuntu-22-04-for-security-reasons","status":"publish","type":"post","link":"https:\/\/lrxjmw.cn\/ubuntu-22-04-for-security-reasons.html","title":{"rendered":"Ubuntu 22.04 LTS \u5b89\u5168\u539f\u56e0"},"content":{"rendered":"<table>\n<tbody>\n<tr>\n<td style=\"padding: 5px 12px; width: 25px; font-size: 22px; text-align: center; background: #E8E8E8; line-height: 30px; color: #999;\">\u5bfc\u8bfb<\/td>\n<td style=\"padding: 10px 10px 12px; line-height: 20px;\"><strong>Ubuntu 22.04 LTS \u662f\u8fc4\u4eca\u4e3a\u6b62\u6700\u597d\u7684 Ubuntu \u7248\u672c\u4e4b\u4e00\u3002\u662f\u4ec0\u4e48\u8ba9\u5b83\u5982\u6b64\u5b89\u5168\uff1f<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/lrxjmw.cn\/wp-content\/uploads\/2022\/07\/1-1.jpeg\" alt=\"\" width=\"800\" height=\"450\" class=\"alignnone size-full wp-image-247475\" srcset=\"https:\/\/lrxjmw.cn\/wp-content\/uploads\/2022\/07\/1-1.jpeg 800w, https:\/\/lrxjmw.cn\/wp-content\/uploads\/2022\/07\/1-1-300x169.jpeg 300w, https:\/\/lrxjmw.cn\/wp-content\/uploads\/2022\/07\/1-1-768x432.jpeg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n<p>\u65e9\u5728\u4eca\u5e74 4 \u6708\u5c31\u53d1\u5e03\u4e86\u7684 \u200b\u200bUbuntu 22.04 LTS\u200b\u200b\uff0c\u662f\u8fc4\u4eca\u4e3a\u6b62\u6700\u5b89\u5168\u7684 Ubuntu \u7248\u672c\u3002<\/p>\n<p>\u5176\u5b89\u5168\u66f4\u65b0\u7684\u5ef6\u957f\u652f\u6301\u3001\u65b0\u7684\u786c\u4ef6\u652f\u6301\u548c\u5176\u4ed6\u6797\u6797\u603b\u603b\u7684\u6539\u8fdb\uff0c\u4f7f\u5b83\u5728\u5b89\u5168\u65b9\u9762\u8fdc\u8fdc\u8d85\u8fc7\u4e86\u4e4b\u524d\u7684\u6240\u6709\u7248\u672c\u3002<\/p>\n<p>\u4f46\u5b83\u662f\u5982\u4f55\u505a\u5230\u8fd9\u4e00\u70b9\u7684\u5462\uff1f\u8fd8\u6709\uff0c\u662f\u4ec0\u4e48\u8ba9\u8fd9\u4e2a\u7248\u672c\u4e0e\u4ee5\u524d\u7684\u7248\u672c\u4e0d\u540c\u7684\u5462\uff1f<\/p>\n<p>\u55ef\uff0c\u6709\u51e0\u4e2a\u539f\u56e0\uff0cCanonical \u5728\u4e00\u7bc7\u65b0\u7684\u535a\u5ba2\u6587\u7ae0\u4e2d\u4e3a\u6211\u4eec\u91cd\u70b9\u6307\u51fa\u4e86\u8fd9\u4e9b\u3002\u5728\u8fd9\u91cc\uff0c\u8ba9\u6211\u603b\u7ed3\u4e00\u4e0b\uff0c\u4ee5\u5e2e\u52a9\u4f60\u4e86\u89e3\u66f4\u591a\u3002<\/p>\n<div   id="j6sjwn9j3u"    style=\"font-size: 14pt; color: white; background-color: black; border-left: red 10px solid; padding-left: 14px; margin-bottom: 20px; margin-top: 20px;\"><strong>\u662f\u4ec0\u4e48\u8ba9 Ubuntu 22.04 LTS \u53d8\u5f97\u5b89\u5168\uff1f<\/strong><\/div>\n<p>\u5728\u8fd9\u4e2a\u7248\u672c\u4e2d\uff0cUbuntu \u56e2\u961f\u4f3c\u4e4e\u6295\u5165\u4e86\u5927\u91cf\u7684\u5de5\u4f5c\u6765\u786e\u4fdd\u5176\u957f\u671f\u7684\u5b89\u5168\u6027\u548c\u53ef\u9760\u6027\u3002\u5c3d\u7ba1\u591a\u5e74\u6765\u4ed6\u4eec\u4ee5\u96be\u4ee5\u60f3\u8c61\u7684\u65b9\u5f0f\u505a\u5230\u4e86\u8fd9\u4e00\u70b9\uff0c\u4f46\u6211\u5c06\u5f3a\u8c03\u5176\u4e2d\u7684\u51e0\u4ef6\u4e8b\uff1a<\/p>\n<ol>\u6539\u8fdb\u7684\u786c\u4ef6\u5b89\u5168\u63aa\u65bd\u652f\u6301<\/ol>\n<ol>\u66f4\u65b0\u4e86\u5b89\u5168\u5305<\/ol>\n<ol>\u79c1\u6709\u5bb6\u76ee\u5f55<\/ol>\n<ol>OpenSSL 3<\/ol>\n<ol>GCC 11<\/ol>\n<ol>nftables \u4f5c\u4e3a\u9ed8\u8ba4\u7684\u9632\u706b\u5899\u540e\u7aef<\/ol>\n<ol>Linux \u5185\u6838\u6539\u8fdb<\/ol>\n<div   id="j6sjwn9j3u"    style=\"margin-top:2em;margin-bottom:1em\"><span style=\"color:#1E1E1E;letter-spacing: 2px;border-left:#FF3030 3px solid;border-right:#FF3030 3px solid;padding-left: 8px;padding-right:8px;font-size: 12pt\"><strong>1\u3001\u6539\u8fdb\u7684\u786c\u4ef6\u5b89\u5168\u63aa\u65bd\u652f\u6301<\/strong><\/span><\/div>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/lrxjmw.cn\/wp-content\/uploads\/2022\/07\/2-2.jpeg\" alt=\"\" width=\"1024\" height=\"576\" class=\"alignnone size-full wp-image-247476\" srcset=\"https:\/\/lrxjmw.cn\/wp-content\/uploads\/2022\/07\/2-2.jpeg 1024w, https:\/\/lrxjmw.cn\/wp-content\/uploads\/2022\/07\/2-2-300x169.jpeg 300w, https:\/\/lrxjmw.cn\/wp-content\/uploads\/2022\/07\/2-2-768x432.jpeg 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/p>\n<p>\u968f\u7740\u82f1\u7279\u5c14\u3001AMD \u548c ARM \u7684 CPU\/SoC \u5f00\u59cb\u63a8\u51fa\u66f4\u591a\u7684\u5b89\u5168\u63aa\u65bd\uff0c\u62e5\u6709\u8db3\u591f\u7684\u8f6f\u4ef6\u6765\u8ba9\u8fd9\u4e9b\u529f\u80fd\u53d1\u6325\u4f5c\u7528\u5c31\u53d8\u5f97\u8d8a\u6765\u8d8a\u91cd\u8981\u3002<\/p>\n<p>\u622a\u81f3\u76ee\u524d\uff0cUbuntu 22.04 \u652f\u6301\u4e09\u79cd\u4e3b\u8981\u7684\u786c\u4ef6\u5b89\u5168\u63aa\u65bd\u3002<\/p>\n<p>\u82f1\u7279\u5c14\u7684 \u201c\u8f6f\u4ef6\u4fdd\u62a4\u6269\u5c55Software Guard eXtensions\u201d\uff08SGX\uff09\u63d0\u4f9b\u4e86\u4e00\u4e2a\u5b89\u5168\u72ec\u7acb\u7684\u533a\u57df\u6765\u8fdb\u884c\u654f\u611f\u8ba1\u7b97\u3002\u4f8b\u5982\uff0c\u7406\u60f3\u60c5\u51b5\u4e0b\uff0c\u5bc6\u7801\u5904\u7406\u5c06\u5728\u8fd9\u91cc\u8fdb\u884c\uff0c\u56e0\u4e3a\u5b83\u786e\u4fdd\u6ca1\u6709\u5176\u4ed6\u5e94\u7528\u7a0b\u5e8f\u53ef\u4ee5\u8bbf\u95ee\u8fd9\u4e9b\u6570\u636e\u3002<\/p>\n<p>\u8fd8\u6709 AMD \u7684\u201c\u5b89\u5168\u52a0\u5bc6\u865a\u62df\u5316Secure Encrypted Virtualization\u201d\uff08SEV\uff09\u3002\u8fd9\u9879\u6280\u672f\u65e8\u5728\u9632\u6b62\u4e3b\u673a\u64cd\u4f5c\u7cfb\u7edf\u5e72\u6270\u6b63\u5728\u8fd0\u884c\u7684\u865a\u62df\u673a\u3002<\/p>\n<p>\u5c3d\u7ba1\u8fd9\u4e0e\u684c\u9762\u7528\u6237\u7684\u76f8\u5173\u6027\u4e0d\u5982\u5176\u4ed6\u6280\u672f\uff0c\u4f46\u8981\u77e5\u9053\uff0c\u5f88\u591a\u6570\u636e\u4e2d\u5fc3\u7684\u57fa\u7840\u8bbe\u65bd\u90fd\u4f9d\u8d56\u865a\u62df\u673a\u6765\u5b9e\u73b0\u5e94\u7528\u7684\u5bb9\u5668\u5316\u3002\u603b\u7684\u6765\u8bf4\uff0c\u6b64\u7c7b\u9488\u5bf9\u786c\u4ef6\u7684\u5b89\u5168\u63aa\u65bd\u5e94\u8be5\u4f1a\u52a0\u5f3a\u5bf9\u684c\u9762\u548c\u670d\u52a1\u5668\u7528\u6237\u7684\u4fdd\u62a4\u3002<\/p>\n<div   id="j6sjwn9j3u"    style=\"margin-top:2em;margin-bottom:1em\"><span style=\"color:#1E1E1E;letter-spacing: 2px;border-left:#FF3030 3px solid;border-right:#FF3030 3px solid;padding-left: 8px;padding-right:8px;font-size: 12pt\"><strong>2\u3001Linux \u5185\u6838\u5b89\u5168\u7684\u6539\u8fdb<\/strong><\/span><\/div>\n<p>\u968f\u7740 Ubuntu \u7684\u6bcf\u4e00\u6b21\u53d1\u5e03\uff0cLinux \u5185\u6838\u90fd\u4f1a\u5f97\u5230\u5347\u7ea7\uff0c\u63d0\u4f9b\u4e86\u8bb8\u591a\u6709\u7528\u7684\u529f\u80fd\u548c\u652f\u6301\u3002<\/p>\n<p>\u4f46\u662f\uff0c\u8fd9\u4e00\u6b21\uff0cCanonical \u63a8\u51fa\u4e86\u9488\u5bf9\u4e0d\u540c\u7684\u5e73\u53f0\u7684\u4f18\u5316\u5185\u6838\u7248\u672c\u3002\u5bf9\u4e8e OEM \u8ba4\u8bc1\u7684\u684c\u9762\u8bbe\u5907\uff0c\u5b83\u63d0\u4f9b\u4e86 \u200b\u200bLinux \u5185\u6838 5.17\u200b\u200b\u3002<\/p>\n<p>\u800c\u5bf9\u4e8e\u6240\u6709\u7684\u684c\u9762\u548c\u670d\u52a1\u5668\u7528\u6237\uff0c\u53ef\u4ee5\u4f7f\u7528 \u200b\u200bLinux \u5185\u6838 5.15 LTS\u200b\u200b\u3002<\/p>\n<p>\u4e0d\u4ec5\u4ec5\u9650\u4e8e\u8fd9\u4e2a\u6982\u5ff5\uff0c\u5728 \u200b\u200b\u535a\u6587\u200b\u200b \u4e2d\u63d0\u5230\u7684\u4e00\u4e9b\u57fa\u672c\u5185\u6838\u5b89\u5168\u589e\u5f3a\u63aa\u65bd\u5305\u62ec\uff1a<\/p>\n<ol>\u652f\u6301\u200b\u200b\u6838\u5fc3\u8c03\u5ea6\u200b\u200b\uff0c\u5b83\u5141\u8bb8\u8fdb\u7a0b\u63a7\u5236\u54ea\u4e9b\u7ebf\u7a0b\u53ef\u4ee5\u5728 SMT \u540c\u7ea7\u4e4b\u95f4\u8c03\u5ea6\uff0c\u4ee5\u4fbf\u8ba9\u5b83\u4eec\u4fdd\u62a4\u654f\u611f\u4fe1\u606f\uff0c\u800c\u4e0d\u6cc4\u9732\u7ed9\u7cfb\u7edf\u4e2d\u5176\u4ed6\u4e0d\u53d7\u4fe1\u4efb\u7684\u8fdb\u7a0b\u3002<\/ol>\n<ol>\u5185\u6838\u5806\u6808\u968f\u673a\u5316\u63d0\u4f9b\u4e86\u4e00\u79cd\u52a0\u56fa\u63aa\u65bd\uff0c\u4ee5\u632b\u8d25\u5e0c\u671b\u5728\u5185\u6838\u5185\u8fdb\u884c\u5185\u5b58\u7834\u574f\u653b\u51fb\u7684\u653b\u51fb\u8005\u3002<\/ol>\n<ol>BPF \u5b50\u7cfb\u7edf\u4e5f\u6709\u4e00\u4e9b\u5b89\u5168\u65b9\u9762\u7684\u589e\u5f3a\uff0c\u5305\u62ec\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u9650\u5236\u4e3a\u53ea\u6709\u7279\u6743\u8fdb\u7a0b\u53ef\u4ee5\u4f7f\u7528\uff0c\u4ee5\u53ca\u5bf9\u7b7e\u540d\u7684 BPF \u7a0b\u5e8f\u7684\u521d\u6b65\u652f\u6301\u3002<\/ol>\n<ol>\u65b0\u7684 Landlock Linux \u5b89\u5168\u6a21\u5757\u7684\u52a0\u5165\u4e3a\u5e94\u7528\u7a0b\u5e8f\u6c99\u7bb1\u63d0\u4f9b\u4e86\u53e6\u4e00\u79cd\u673a\u5236\uff0c\u53ef\u4ee5\u901a\u8fc7 AppArmor \u6216 SELinux \u4e0e\u66f4\u4f20\u7edf\u7684\u65b9\u5f0f\u7ed3\u5408\u4f7f\u7528\u3002<\/ol>\n<p>\u603b\u4e4b\uff0c\u6240\u6709\u8fd9\u4e9b\u6539\u8fdb\u4f7f Ubuntu 22.04 LTS \u6210\u4e3a\u5f00\u53d1\u8005\u3001\u7528\u6237\u548c\u7cfb\u7edf\u7ba1\u7406\u5458\u7684\u66f4\u5b89\u5168\u7684\u9009\u62e9\u3002<\/p>\n<div   id="j6sjwn9j3u"    style=\"margin-top:2em;margin-bottom:1em\"><span style=\"color:#1E1E1E;letter-spacing: 2px;border-left:#FF3030 3px solid;border-right:#FF3030 3px solid;padding-left: 8px;padding-right:8px;font-size: 12pt\"><strong>3\u3001\u66f4\u65b0\u7684\u5b89\u5168\u8f6f\u4ef6\u5305<\/strong><\/span><\/div>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/lrxjmw.cn\/wp-content\/uploads\/2022\/07\/3-4.png\" alt=\"\" width=\"1024\" height=\"576\" class=\"alignnone size-full wp-image-247477\" srcset=\"https:\/\/lrxjmw.cn\/wp-content\/uploads\/2022\/07\/3-4.png 1024w, https:\/\/lrxjmw.cn\/wp-content\/uploads\/2022\/07\/3-4-300x169.png 300w, https:\/\/lrxjmw.cn\/wp-content\/uploads\/2022\/07\/3-4-768x432.png 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/p>\n<p>\u8ba9\u6211\u4eec\u4ece\u6280\u672f\u6027\u7684\u5b89\u5168\u6982\u5ff5\u9000\u540e\u4e00\u6b65\uff0c\u56de\u5230\u6bcf\u4e2a Ubuntu \u7528\u6237\u90fd\u5e94\u8be5\u5df2\u7ecf\u719f\u6089\u7684\u6982\u5ff5\uff1a\u8f6f\u4ef6\u5305\u3002\u6bcf\u4e00\u4e2a\u65b0\u7684 Ubuntu \u7248\u672c\uff0c\u8f6f\u4ef6\u5e93\u4e2d\u7684\u5927\u591a\u6570\u8f6f\u4ef6\u5305\u90fd\u4f1a\u66f4\u65b0\uff0c\u4ee5\u5e26\u6765\u66f4\u597d\u7684\u5b89\u5168\u6027\u548c\u65b0\u529f\u80fd\u3002<\/p>\n<p>\u5c3d\u7ba1\u5bf9\u4e8e Ubuntu 22.04 \u6765\u8bf4\uff0c\u8fd9\u5e76\u4e0d\u5b8c\u5168\u662f\u65b0\u7684\u4e1c\u897f\uff0c\u4f46\u8fd9\u786e\u5b9e\u5305\u62ec\u4e86\u5f88\u591a\u5b89\u5168\u65b9\u9762\u7684\u66f4\u65b0\u3002\u8fd9\u65b9\u9762\u7684\u4f8b\u5b50\u5305\u62ec openSSL 3 \u548c GCC 11\u3002<\/p>\n<div   id="j6sjwn9j3u"    style=\"margin-top:2em;margin-bottom:1em\"><span style=\"color:#1E1E1E;letter-spacing: 2px;border-left:#FF3030 3px solid;border-right:#FF3030 3px solid;padding-left: 8px;padding-right:8px;font-size: 12pt\"><strong>4\u3001OpenSSL 3<\/strong><\/span><\/div>\n<p>OpenSSL \u662f\u6240\u6709\u5b89\u5168\u901a\u4fe1\u7684\u652f\u67f1\u3002<\/p>\n<p>\u8003\u8651\u5230\u5305\u62ec MD2 \u548c DES \u5728\u5185\u7684\u8bb8\u591a\u4f20\u7edf\u7b97\u6cd5\u5df2\u7ecf\u88ab\u5e9f\u5f03\u5e76\u9ed8\u8ba4\u7981\u7528\uff0cOpenSSL 3 \u4f5c\u4e3a\u4e00\u4e2a\u91cd\u5927\u7684\u5347\u7ea7\u7279\u522b\u503c\u5f97\u5173\u6ce8\u3002<\/p>\n<p>\u56e0\u6b64\uff0c\u9664\u975e\u7528\u6237\u7279\u522b\u60f3\u4f7f\u7528\u4e0d\u592a\u5b89\u5168\u7684\u7b97\u6cd5\uff0c\u5426\u5219\u4f60\u5c06\u5728\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u83b7\u5f97\u6700\u597d\u7684\u5b89\u5168\u6027\u3002<\/p>\n<div   id="j6sjwn9j3u"    style=\"margin-top:2em;margin-bottom:1em\"><span style=\"color:#1E1E1E;letter-spacing: 2px;border-left:#FF3030 3px solid;border-right:#FF3030 3px solid;padding-left: 8px;padding-right:8px;font-size: 12pt\"><strong>5\u3001GCC 11<\/strong><\/span><\/div>\n<p>\u53e6\u4e00\u65b9\u9762\uff0cGCC \u662f\u8bb8\u591a\u5f00\u53d1\u8005\u7528\u6765\u5c06\u4ed6\u4eec\u7684\u4ee3\u7801\u53d8\u6210\u53ef\u4ee5\u5728\u4f60\u7684\u8ba1\u7b97\u673a\u4e0a\u8fd0\u884c\u7684\u7a0b\u5e8f\u7684\u7f16\u8bd1\u5668\u3002<\/p>\n<p>\u5b83\u5e26\u6765\u4e86\u8bb8\u591a\u6539\u8fdb\uff0c\u4f46\u6709\u4e00\u9879\u7279\u522b\u663e\u8457\u5730\u63d0\u9ad8\u4e86\u5b89\u5168\u6027\u3002\u9759\u6001\u5206\u6790\u5f97\u5230\u4e86\u6781\u5927\u7684\u52a0\u5f3a\uff0c\u4f7f\u5f00\u53d1\u4eba\u5458\u80fd\u591f\u66f4\u5feb\u5730\u53d1\u73b0\u8f6f\u4ef6\u7684\u6f0f\u6d1e\uff0c\u5728\u7b2c\u4e00\u6b65\u5c31\u9632\u6b62\u6709\u6f0f\u6d1e\u7684\u4ee3\u7801\u88ab\u53d1\u5e03\u3002<\/p>\n<p>\u8fd9\u53ef\u80fd\u4e0d\u4f1a\u76f4\u63a5\u5f71\u54cd\u5230\u7528\u6237\uff0c\u8bb8\u591a\u5f00\u53d1\u4eba\u5458\u4f7f\u7528 Ubuntu \u6765\u5f00\u53d1\u4ed6\u4eec\u7684\u5e94\u7528\u7a0b\u5e8f\u3002\u56e0\u6b64\uff0c\u4f60\u4e0b\u8f7d\u7684\u5f88\u591a\u7a0b\u5e8f\uff0c\u5373\u4f7f\u5728\u975e Ubuntu 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