{"id":431,"date":"2018-02-26T15:04:27","date_gmt":"2018-02-26T07:04:27","guid":{"rendered":"http:\/\/www.freezhongzi.info\/?p=431"},"modified":"2018-02-26T15:04:27","modified_gmt":"2018-02-26T07:04:27","slug":"spectre%e5%92%8cmeltdown%e7%9b%b8%e5%85%b3","status":"publish","type":"post","link":"https:\/\/bl4kraven.com\/index.php\/2018\/02\/26\/spectre%e5%92%8cmeltdown%e7%9b%b8%e5%85%b3\/","title":{"rendered":"Spectre\u548cMeltdown\u76f8\u5173"},"content":{"rendered":"<p>\u8fc7\u5b8c\u5e74\u7b2c\u4e00\u5929\u4e0a\u73ed\uff0c\u6211\u62bd\u7a7a\u770b\u4e86\u4e00\u4e0bMeltdown\u6f0f\u6d1e\u7684\u673a\u5236\uff0c\u8fd9\u91cc\u6709\u4e00\u7bc7<a href=\"https:\/\/www.raspberrypi.org\/blog\/why-raspberry-pi-isnt-vulnerable-to-spectre-or-meltdown\/\">Raspberry Pi\u7684Blog\u8bb2\u7684\u5f88\u597d<\/a>\u3002\u770b\u5b8c\u4e86\u89e3\u4e86\u4e2a\u5927\u6982\uff0c\u611f\u53f9\u73b0\u4ee3\u7684\u5904\u7406\u5668\u8d8a\u6765\u8d8a\u5148\u8fdb\u590d\u6742\uff0c\u89e6\u53d1\u6f0f\u6d1e\u7684\u662f\u4e0d\u662f\u5355\u5355\u4e00\u4e2a\u5b50\u7cfb\u7edf\uff0c\u800c\u662fCPU\u4e00\u5806\u5b50\u7cfb\u7edf\u6784\u6210\u7684\u673a\u5236\uff08\u5185\u5b58\u7f13\u5b58\u3001\u4e71\u5e8f\u6267\u884c\u3001\u5206\u652f\u9884\u5224\u548cSpeculative execution\uff09\uff0c\u800c\u4e14\u90fd\u662f\u8ddfCPU\u6027\u80fd\u76f8\u5173\u7684\u6838\u5fc3\u90e8\u4ef6\uff0c\u6240\u4ee5\u4fee\u590d\u8d77\u6765\u80af\u5b9a\u8981\u4f24\u7b4b\u52a8\u9aa8\u4e86\u3002<\/p>\n<p>\u8fd9\u6b21\u7684\u653b\u51fb\u662fside-channel attack\uff08\u7ffb\u8bd1\u6210\u65c1\u8def\u653b\u51fb\u5417?)\uff0c\u5c31\u662f\u7c7b\u4f3c\u89c2\u5bdf\u7cfb\u7edf\u6267\u884c\u6307\u4ee4\u6d88\u8017\u7684\u65f6\u95f4\u53bb\u63a8\u6d4b\u5177\u4f53\u6267\u884c\u4e86\u4ec0\u4e48\uff08\u5185\u5b58\u7f13\u5b58\u5bf9\u65f6\u95f4\u5f71\u54cd\u5f88\u5927\uff0c\u6240\u4ee5\u53ef\u4ee5\u5224\u65ad\u51fa\u6765\u5730\u5740\u65f6\u5019\u7f13\u5b58\uff09\uff0c\u8fd9\u4e2a\u653b\u51fb\u53ea\u80fd\u662f\u67e5\u770b\u5185\u6838\u6216\u8005\u522b\u7684\u8fdb\u7a0b\u7684\u5185\u5b58\u6570\u636e\uff0c\u8fd8\u4fee\u6539\u4e0d\u4e86\u5185\u5b58\uff0c\u4e0d\u8fc7\u8ddf\u4e4b\u524d\u7684DRAM Row hammer\u7ed3\u5408\u8d77\u6765\u5c31\u5a01\u529b\u6bd4\u8f83\u5927\u4e86:)\u3002<\/p>\n<p>\u6700\u540e\u770b\u4e86\u4e00\u4e0b<a href=\"https:\/\/developer.arm.com\/support\/security-update\">ARM\u53d7\u6b64\u6f0f\u6d1e\u7684\u5f71\u54cd<\/a>\uff0c\u770b\u5230A8\u53d7\u5230\u5f71\u54cd\uff0c\u770b\u6765A8\u7528\u4e86Speculative execution, Raspberry Pi\u7528\u7684\u662fA7\u4e0d\u53d7\u5f71\u54cd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8fc7\u5b8c\u5e74\u7b2c\u4e00\u5929\u4e0a\u73ed\uff0c\u6211\u62bd\u7a7a\u770b\u4e86\u4e00\u4e0bMeltdown\u6f0f\u6d1e\u7684\u673a\u5236\uff0c\u8fd9\u91cc\u6709\u4e00\u7bc7Raspb &hellip; <a href=\"https:\/\/bl4kraven.com\/index.php\/2018\/02\/26\/spectre%e5%92%8cmeltdown%e7%9b%b8%e5%85%b3\/\">\u7ee7\u7eed\u9605\u8bfb <span class=\"meta-nav\">&rarr;<\/span><\/a> <a href=\"https:\/\/bl4kraven.com\/index.php\/2018\/02\/26\/spectre%e5%92%8cmeltdown%e7%9b%b8%e5%85%b3\/\">\u7ee7\u7eed\u9605\u8bfb <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-431","post","type-post","status-publish","format-standard","hentry","category-3"],"_links":{"self":[{"href":"https:\/\/bl4kraven.com\/index.php\/wp-json\/wp\/v2\/posts\/431","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/bl4kraven.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/bl4kraven.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/bl4kraven.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/bl4kraven.com\/index.php\/wp-json\/wp\/v2\/comments?post=431"}],"version-history":[{"count":0,"href":"https:\/\/bl4kraven.com\/index.php\/wp-json\/wp\/v2\/posts\/431\/revisions"}],"wp:attachment":[{"href":"https:\/\/bl4kraven.com\/index.php\/wp-json\/wp\/v2\/media?parent=431"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/bl4kraven.com\/index.php\/wp-json\/wp\/v2\/categories?post=431"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/bl4kraven.com\/index.php\/wp-json\/wp\/v2\/tags?post=431"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}