{"id":51325,"date":"2024-10-08T17:42:18","date_gmt":"2024-10-08T09:42:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/51325\/"},"modified":"2024-11-14T10:43:46","modified_gmt":"2024-11-14T02:43:46","slug":"ubuntu-14-04-lts-%e6%96%b0%e5%85%a7%e6%a0%b8%e5%ae%89%e5%85%a8%e6%9b%b4%e6%96%b0%ef%bc%8c%e4%bf%ae%e5%be%a9-spectre-v2-%e6%bc%8f%e6%b4%9e","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/51325\/","title":{"rendered":"Ubuntu 14.04 LTS \u65b0\u5167\u6838\u5b89\u5168\u66f4\u65b0\uff0c\u4fee\u5fa9 Spectre V2 \u6f0f\u6d1e"},"content":{"rendered":"<h1 id=\"ubuntu-14-04-lts-%e6%96%b0%e5%85%a7%e6%a0%b8%e5%ae%89%e5%85%a8%e6%9b%b4%e6%96%b0%ef%bc%8c%e4%bf%ae%e5%be%a9-spectre-v2-%e6%bc%8f%e6%b4%9e-OpaAZyjAPV\">Ubuntu 14.04 LTS \u65b0\u5167\u6838\u5b89\u5168\u66f4\u65b0\uff0c\u4fee\u5fa9 Spectre V2 \u6f0f\u6d1e<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u4f4d\u6642\u4ee3\uff0c\u5b89\u5168\u6027\u662f\u6bcf\u500b\u7cfb\u7d71\u7ba1\u7406\u54e1\u548c\u958b\u767c\u8005\u5fc5\u9808\u91cd\u8996\u7684\u8b70\u984c\u3002\u96a8\u8457\u6280\u8853\u7684\u9032\u6b65\uff0c\u65b0\u7684\u5b89\u5168\u6f0f\u6d1e\u4e0d\u65b7\u88ab\u767c\u73fe\uff0c\u9019\u4f7f\u5f97\u64cd\u4f5c\u7cfb\u7d71\u7684\u66f4\u65b0\u8b8a\u5f97\u81f3\u95dc\u91cd\u8981\u3002\u6700\u8fd1\uff0cUbuntu 14.04 LTS \u767c\u5e03\u4e86\u4e00\u9805\u91cd\u8981\u7684\u5167\u6838\u5b89\u5168\u66f4\u65b0\uff0c\u5c08\u9580\u7528\u65bc\u4fee\u5fa9 Spectre V2 \u6f0f\u6d1e\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u9019\u4e00\u6f0f\u6d1e\u7684\u80cc\u666f\u3001\u5f71\u97ff\u53ca\u5176\u4fee\u5fa9\u63aa\u65bd\u3002<\/p>\n<h2 id=\"spectre-v2-%e6%bc%8f%e6%b4%9e%e6%a6%82%e8%bf%b0-OpaAZyjAPV\">Spectre V2 \u6f0f\u6d1e\u6982\u8ff0<\/h2>\n<p>Spectre \u662f\u4e00\u7cfb\u5217\u5f71\u97ff\u73fe\u4ee3\u8655\u7406\u5668\u7684\u5b89\u5168\u6f0f\u6d1e\uff0c\u9996\u6b21\u65bc 2018 \u5e74\u88ab\u516c\u958b\u3002\u9019\u4e9b\u6f0f\u6d1e\u5229\u7528\u4e86\u8655\u7406\u5668\u7684\u9810\u6e2c\u57f7\u884c\u7279\u6027\uff0c\u53ef\u80fd\u5c0e\u81f4\u654f\u611f\u6578\u64da\u7684\u6d29\u9732\u3002Spectre V2 \u662f\u5176\u4e2d\u7684\u4e00\u500b\u8b8a\u7a2e\uff0c\u4e3b\u8981\u5f71\u97ff\u57fa\u65bc Intel \u548c AMD \u7684\u8655\u7406\u5668\u3002\u653b\u64ca\u8005\u53ef\u4ee5\u901a\u904e\u7279\u88fd\u7684\u7a0b\u5f0f\u78bc\u4f86\u7372\u53d6\u5176\u4ed6\u61c9\u7528\u7a0b\u5e8f\u7684\u5167\u5b58\u6578\u64da\uff0c\u9019\u5c0d\u65bc\u591a\u79df\u6236\u74b0\u5883\u4e2d\u7684\u96f2\u670d\u52d9\u5668\u4f86\u8aaa\uff0c\u5c24\u5176\u5371\u96aa\u3002<\/p>\n<h2 id=\"ubuntu-14-04-lts-%e7%9a%84%e5%bd%b1%e9%9f%bf-OpaAZyjAPV\">Ubuntu 14.04 LTS \u7684\u5f71\u97ff<\/h2>\n<p>Ubuntu 14.04 LTS \u662f\u4e00\u500b\u9577\u671f\u652f\u6301\u7248\u672c\uff0c\u8a31\u591a\u4f01\u696d\u548c\u958b\u767c\u8005\u4ecd\u5728\u4f7f\u7528\u9019\u4e00\u7248\u672c\u3002\u7531\u65bc\u5176\u7a69\u5b9a\u6027\u548c\u53ef\u9760\u6027\uff0c\u9019\u500b\u7248\u672c\u5728\u4f3a\u670d\u5668\u74b0\u5883\u4e2d\u5ee3\u53d7\u6b61\u8fce\u3002\u7136\u800c\uff0c\u96a8\u8457 Spectre V2 \u6f0f\u6d1e\u7684\u767c\u73fe\uff0c\u4f7f\u7528\u6b64\u7248\u672c\u7684\u7cfb\u7d71\u9762\u81e8\u8457\u6f5b\u5728\u7684\u5b89\u5168\u98a8\u96aa\u3002\u653b\u64ca\u8005\u53ef\u4ee5\u5229\u7528\u6b64\u6f0f\u6d1e\u4f86\u7372\u53d6\u654f\u611f\u4fe1\u606f\uff0c\u9019\u5c0d\u65bc\u5b58\u5132\u6a5f\u5bc6\u6578\u64da\u7684\u4f3a\u670d\u5668\u4f86\u8aaa\uff0c\u7121\u7591\u662f\u4e00\u500b\u91cd\u5927\u5a01\u8105\u3002<\/p>\n<h2 id=\"%e4%bf%ae%e5%be%a9%e6%8e%aa%e6%96%bd-OpaAZyjAPV\">\u4fee\u5fa9\u63aa\u65bd<\/h2>\n<p>\u70ba\u4e86\u61c9\u5c0d Spectre V2 \u6f0f\u6d1e\uff0cUbuntu \u5718\u968a\u91dd\u5c0d 14.04 LTS \u767c\u5e03\u4e86\u65b0\u7684\u5167\u6838\u66f4\u65b0\u3002\u9019\u6b21\u66f4\u65b0\u4e3b\u8981\u5305\u62ec\u4ee5\u4e0b\u5e7e\u500b\u65b9\u9762\uff1a<\/p>\n<ul>\n<li><strong>\u5167\u6838\u66f4\u65b0\uff1a<\/strong>\u66f4\u65b0\u81f3\u6700\u65b0\u7684\u5167\u6838\u7248\u672c\uff0c\u4ee5\u5305\u542b\u91dd\u5c0d Spectre V2 \u7684\u4fee\u88dc\u7a0b\u5f0f\u3002<\/li>\n<li><strong>\u5b89\u5168\u6027\u589e\u5f37\uff1a<\/strong>\u589e\u5f37\u4e86\u7cfb\u7d71\u7684\u5b89\u5168\u6027\uff0c\u6e1b\u5c11\u4e86\u653b\u64ca\u8005\u5229\u7528\u6f0f\u6d1e\u7684\u53ef\u80fd\u6027\u3002<\/li>\n<li><strong>\u6027\u80fd\u512a\u5316\uff1a<\/strong>\u5728\u4fee\u5fa9\u6f0f\u6d1e\u7684\u540c\u6642\uff0c\u5c0d\u7cfb\u7d71\u6027\u80fd\u9032\u884c\u4e86\u512a\u5316\uff0c\u78ba\u4fdd\u4e0d\u5f71\u97ff\u6b63\u5e38\u904b\u884c\u3002<\/li>\n<\/ul>\n<p>\u7528\u6236\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u547d\u4ee4\u4f86\u66f4\u65b0\u7cfb\u7d71\uff1a<\/p>\n<pre><code>sudo apt-get update\nsudo apt-get upgrade\n<\/code><\/pre>\n<p>\u9019\u4e9b\u547d\u4ee4\u5c07\u78ba\u4fdd\u7cfb\u7d71\u7372\u5f97\u6700\u65b0\u7684\u5b89\u5168\u66f4\u65b0\u548c\u4fee\u88dc\u7a0b\u5f0f\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-OpaAZyjAPV\">\u7d50\u8ad6<\/h2>\n<p>\u96a8\u8457\u5b89\u5168\u5a01\u8105\u7684\u65e5\u76ca\u589e\u52a0\uff0c\u53ca\u6642\u66f4\u65b0\u64cd\u4f5c\u7cfb\u7d71\u548c\u61c9\u7528\u7a0b\u5e8f\u8b8a\u5f97\u5c24\u70ba\u91cd\u8981\u3002Ubuntu 14.04 LTS \u7684\u65b0\u5167\u6838\u5b89\u5168\u66f4\u65b0\u6709\u6548\u5730\u4fee\u5fa9\u4e86 Spectre V2 \u6f0f\u6d1e\uff0c\u70ba\u7528\u6236\u63d0\u4f9b\u4e86\u66f4\u5b89\u5168\u7684\u74b0\u5883\u3002\u7cfb\u7d71\u7ba1\u7406\u54e1\u61c9\u8a72\u5b9a\u671f\u6aa2\u67e5\u548c\u66f4\u65b0\u5176\u4f3a\u670d\u5668\uff0c\u4ee5\u78ba\u4fdd\u6578\u64da\u7684\u5b89\u5168\u6027\u548c\u5b8c\u6574\u6027\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u548c\u4f3a\u670d\u5668\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002\u6211\u5011\u63d0\u4f9b\u5404\u7a2e\u89e3\u6c7a\u65b9\u6848\uff0c\u4ee5\u6eff\u8db3\u60a8\u7684\u9700\u6c42\uff0c\u78ba\u4fdd\u60a8\u7684\u7cfb\u7d71\u5b89\u5168\u7121\u865e\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ubuntu 14.04 LTS receives a new kernel security update to fix the Spectre V2 vulnerability, enhancing system protection and stability.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4924],"tags":[],"class_list":["post-51325","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/51325","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=51325"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/51325\/revisions"}],"predecessor-version":[{"id":51326,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/51325\/revisions\/51326"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=51325"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=51325"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=51325"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}