{"id":9793,"date":"2025-09-18T15:47:02","date_gmt":"2025-09-18T07:47:02","guid":{"rendered":"https:\/\/aict.nkust.edu.tw\/digitrans\/?p=9793"},"modified":"2025-09-18T15:47:04","modified_gmt":"2025-09-18T07:47:04","slug":"%e8%a8%98%e6%86%b6%e9%ab%94%e6%94%bb%e6%93%8a%e6%96%b0%e6%89%8b%e6%b3%95phoenix%ef%bc%8c%e5%8f%af%e7%b9%9e%e9%81%8eddr5%e7%9a%84rowhammer%e9%98%b2%e7%a6%a6%e6%a9%9f%e5%88%b6","status":"publish","type":"post","link":"https:\/\/aict.nkust.edu.tw\/digitrans\/?p=9793","title":{"rendered":"\u8a18\u61b6\u9ad4\u653b\u64ca\u65b0\u624b\u6cd5Phoenix\uff0c\u53ef\u7e5e\u904eDDR5\u7684Rowhammer\u9632\u79a6\u6a5f\u5236"},"content":{"rendered":"\n<p>\u5728\u8a18\u61b6\u9ad4\u6280\u8853\u6301\u7e8c\u9032\u6b65\u7684\u540c\u6642\uff0c<strong>Rowhammer<\/strong>\u653b\u64ca\u4e26\u672a\u6d88\u5931\uff0c\u53cd\u800c\u56e0DDR5\u7684\u666e\u53ca\u518d\u6b21\u6d6e\u73fe\u3002\u6b64\u7bc7\u6587\u7ae0\u4ecb\u7d39\u4e86\u7531ETH Zurich\u8207Google\u7814\u7a76\u5718\u968a\u63ed\u9732\u7684\u65b0\u578b\u653b\u64ca\u624b\u6cd5<strong>Phoenix<\/strong>\uff0c\u9019\u662f\u9996\u5ea6\u5728\u91cf\u7522DDR5\u6a21\u7d44\u4e0a\u6210\u529f\u9a57\u8b49\u7684Rowhammer\u653b\u64ca\uff0c\u7814\u7a76\u8b49\u5be6\u81ea2021\u81f32024\u5e74\u9593\u51fa\u8ca8\u7684SK hynix DDR5 UDIMM\u5168\u6578\u53ef\u88ab\u653b\u7834\uff0c\u6700\u5feb\u50c5\u9700<strong>109<\/strong><strong>\u79d2<\/strong>\u5c31\u80fd\u7ffb\u8f49\u5206\u9801\u8868\u4e26\u53d6\u5f97\u7cfb\u7d71\u63a7\u5236\u6b0a\u3002\u8a72\u6f0f\u6d1e\u5df2\u767b\u9304\u70ba<strong>CVE-2025-6202<\/strong>\uff0c\u51f8\u986f\u5176\u56b4\u91cd\u6027\u3002<\/p>\n\n\n\n<p>\u6587\u7ae0\u8aaa\u660e\uff0c\u96d6\u7136DDR5\u5f15\u5165\u4e86TRR\uff08Target Row Refresh\uff09\u4f5c\u70ba\u9632\u8b77\uff0c\u4f46\u7814\u7a76\u986f\u793aTRR\u63a1\u7528\u53d6\u6a23\u6aa2\u6e2c\u800c\u975e\u5373\u6642\u6aa2\u67e5\uff0c\u5b58\u5728\u9577\u9054\u6578\u767e\u81f3\u6578\u5343\u500btREFI\u7684\u5075\u6e2c\u7a7a\u7a97\u3002\u653b\u64ca\u8005\u5f97\u4ee5\u8a2d\u8a08\u9577\u5468\u671f\u6a23\u5f0f\uff0c\u907f\u958bTRR\u7684\u76e3\u6e2c\u4e26\u9010\u6b65\u7d2f\u7a4d\u5e72\u64fe\uff0c\u6700\u7d42\u9020\u6210\u4f4d\u5143\u7ffb\u8f49\u3002\u7814\u7a76\u4eba\u54e1\u66f4\u900f\u904e<strong>\u81ea\u6211\u6821\u6b63\u540c\u6b65\u6a5f\u5236<\/strong>\u89e3\u6c7a\u4e86\u9577\u6642\u9593\u653b\u64ca\u5e8f\u5217\u7684\u6642\u5e8f\u504f\u79fb\u554f\u984c\uff0c\u8b93Phoenix\u5728\u771f\u5be6\u7cfb\u7d71\u4e2d\u4e5f\u80fd\u7a69\u5b9a\u91cd\u73fe\u3002\u503c\u5f97\u95dc\u6ce8\u7684\u662f\uff0c\u90e8\u5206DDR5\u6a21\u7d44\u7684\u5237\u65b0\u6642\u7a97\u751a\u81f3\u8d85\u904e<strong>16,000\u500btREFI<\/strong>\uff0c\u7b49\u65bc\u7d66\u4e88\u653b\u64ca\u8005\u66f4\u5927\u7684\u64cd\u4f5c\u7a7a\u9593\u3002\u96d6\u7136\u5c07\u5237\u65b0\u7387\u63d0\u9ad8\u4e09\u500d\u80fd\u6709\u6548\u7de9\u89e3\uff0c\u4f46\u6703\u5e36\u4f86<strong>8.4%\u7684\u6548\u80fd\u640d\u8017<\/strong>\u3002\u53e6\u4e00\u500b\u53ef\u80fd\u7684\u89e3\u6cd5\u662f\u555f\u7528DDR5\u6a19\u6e96\u4e2d\u7684<strong>\u7cbe\u7d30\u5ea6\u5237\u65b0\uff08FGR\uff09<\/strong>\uff0c\u4f46\u4e0d\u540c\u5e73\u53f0\u5be6\u4f5c\u5dee\u7570\u8207\u672a\u516c\u958b\u7684\u5ee0\u5546TRR\u8a2d\u8a08\uff0c\u4ecd\u8b93\u9632\u8b77\u6548\u679c\u5b58\u5728\u4e0d\u78ba\u5b9a\u6027\u3002<\/p>\n\n\n\n<p>\u6587\u7ae0\u9032\u4e00\u6b65\u6307\u51fa\uff0c\u4f3a\u670d\u5668\u5e38\u7528\u7684<strong>Rank-level ECC<\/strong>\u96d6\u80fd\u589e\u52a0\u653b\u64ca\u96e3\u5ea6\uff0c\u4f46\u4e0d\u8db3\u4ee5\u5fb9\u5e95\u9632\u5835\u3002\u7814\u7a76\u4eba\u54e1\u5efa\u8b70\u672a\u4f86\u61c9\u671d\u5177\u300c\u539f\u7406\u4fdd\u8b49\u300d\u7684\u9632\u8b77\u6a5f\u5236\u524d\u9032\uff0c\u4f8b\u5982JEDEC\u63d0\u51fa\u7684<strong>\u9010\u5217\u555f\u52d5\u8a08\u6578\uff08<\/strong><strong>Per Row Activation Counting<\/strong><strong>\uff09<\/strong>\uff0c\u800c\u4e0d\u662f\u4f9d\u8cf4\u4e0d\u900f\u660e\u7684\u5ee0\u5546\u81ea\u8a02\u65b9\u6848\u3002<\/p>\n\n\n\n<p>\u95b1\u8b80\u5b8c\u6574\u6587\u7ae0:<a href=\"https:\/\/www.ithome.com.tw\/news\/171245\">https:\/\/www.ithome.com.tw\/news\/171245<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u8a18\u61b6\u9ad4\u6280\u8853\u6301\u7e8c\u9032\u6b65\u7684\u540c\u6642\uff0cRowhammer\u653b\u64ca\u4e26\u672a\u6d88\u5931\uff0c\u53cd\u800c\u56e0DDR5\u7684\u666e\u53ca\u518d\u6b21\u6d6e\u73fe\u3002\u6b64\u7bc7\u6587\u7ae0\u4ecb\u7d39\u4e86\u7531ETH Zurich\u8207Google\u7814\u7a76\u5718\u968a\u63ed\u9732\u7684\u65b0\u578b\u653b\u64ca\u624b\u6cd5Phoenix&hellip;<\/p>\n","protected":false},"author":16,"featured_media":9794,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[352],"tags":[],"class_list":["post-9793","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-information-security"],"gutentor_comment":0,"jetpack_featured_media_url":"https:\/\/i0.wp.com\/aict.nkust.edu.tw\/digitrans\/wp-content\/uploads\/2025\/09\/%E5%9C%96%E7%89%87.jpg?fit=415%2C259&ssl=1","jetpack-related-posts":[],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/aict.nkust.edu.tw\/digitrans\/index.php?rest_route=\/wp\/v2\/posts\/9793","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/aict.nkust.edu.tw\/digitrans\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/aict.nkust.edu.tw\/digitrans\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/aict.nkust.edu.tw\/digitrans\/index.php?rest_route=\/wp\/v2\/users\/16"}],"replies":[{"embeddable":true,"href":"https:\/\/aict.nkust.edu.tw\/digitrans\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=9793"}],"version-history":[{"count":1,"href":"https:\/\/aict.nkust.edu.tw\/digitrans\/index.php?rest_route=\/wp\/v2\/posts\/9793\/revisions"}],"predecessor-version":[{"id":9795,"href":"https:\/\/aict.nkust.edu.tw\/digitrans\/index.php?rest_route=\/wp\/v2\/posts\/9793\/revisions\/9795"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/aict.nkust.edu.tw\/digitrans\/index.php?rest_route=\/wp\/v2\/media\/9794"}],"wp:attachment":[{"href":"https:\/\/aict.nkust.edu.tw\/digitrans\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=9793"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/aict.nkust.edu.tw\/digitrans\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=9793"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/aict.nkust.edu.tw\/digitrans\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=9793"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}