StackWarp 漏洞驚魂，國產 CPU 原生免疫

與非網

01/28

1月20日消息，德國CISPA亥姆霍茲中心研究人員公布了一項名為「StackWarp」的安全漏洞，消息初期被傳為波及AMD Zen架構全系列處理器，引發行業關注。不過，AMD迅速響應，不僅公布了漏洞完整詳情、受影響產品型號及修復措施，還發布聲明澄清事實，平息市場恐慌。AMD在聲明中明確表示，該漏洞通過內部測試、外部研究社區合作及漏洞賞金計劃被發現，編號為AMD-SB-3027與CVE-2025-...

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href=\"http://gu.qq.com/resources/shy/news/detail-v2/index.html#/?id=nesSN20260128161059a6b660f8&s=b\">網頁鏈接</a>\n\n</div>\n\n<div class=\"bt-text\">\n\n\n<p> 來源：<a href=\"http://gu.qq.com/resources/shy/news/detail-v2/index.html#/?id=nesSN20260128161059a6b660f8&s=b\">與非網</a></p>\n<p>為提升您的閱讀體驗，我們對本頁面進行了排版優化</p>\n\n\n</div>\n</article>\n</div>\n</body>\n</html>\n","isBrief":false,"type":0,"news_type":1,"symbol":"LU0719512351.SGD","symbol_name":"JPMorgan Funds - US Technology A (acc) SGD","start_time":0,"source_url":"http://gu.qq.com/resources/shy/news/detail-v2/index.html#/?id=nesSN20260128161059a6b660f8&s=b","article_id":"2606610795","we_media_id":null,"thumbnails":[],"rights":{"source":"tencent","url":"http://gu.qq.com/resources/shy/news/detail-v2/index.html#/?id=nesSN20260128161059a6b660f8&s=b","rn_cache_url":null,"customStyle":"body{padding-top:10px;}#news_title{font-weight:bold;#titleStyle#;}#news_description 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Zen架構全系列處理器，引發行業關注。不過，AMD迅速響應，不僅公布了漏洞完整詳情、受影響產品型號及修復措施，還發布聲明澄清事實，平息市場恐慌。AMD在聲明中明確表示，該漏洞通過內部測試、外部研究社區合作及漏洞賞金計劃被發現，編號為AMD-SB-3027與CVE-2025-29943，屬於「客户棧指針損壞漏洞」，官方將其劃定為低危（Low Severity）。「SB-3027公告所涉及的低危漏洞正是這些努力的成果，相關補丁自去年7月起便已可用於AMD EPYC產品。」AMD強調，其持續通過多重舉措保障終端用户及客户安全。據AMD官網安全報告解釋，StackWarp漏洞源於訪問控制措施存在缺陷，未能阻止虛擬機管理程序對一項內部配置位進行設定，本質是由翻轉未公開的MSR寄存器位引發的CPU棧損壞問題。公開資料顯示，該漏洞主要利用CPU棧引擎對棧指針實施確定性篡改，從而打破AMD SEV-SNP完整性。根據AMD給出的補丁方案，為了徹底阻斷攻擊路徑，用户需要禁用同步多線程（SMT / 超線程）技術，這一操作雖然有效，但會直接導致可用CPU核心數減半。不過AMD也提供了更易操作的修復方式，此類攻擊可能讓惡意虛擬機管理程序操縱CPU流水線配置，進而破壞運行在同一物理核心SMT線程上的SEV-SNP客户虛擬機棧指針。值得注意的是，該漏洞並非波及Zen架構所有產品，僅影響Zen 3/4/5架構的EPYC系列產品，且AMD早已針對這些機型發布修復方案，用户只需更新對應固件版本即可解決，無需強制禁用SMT技術犧牲性能。事實上，硬件漏洞的出現並非個例，對於普通用户而言，無需過度恐慌，重點在於關注權威機構與廠商官方公告，明確產品受影響程度及修復路徑。此次StackWarp漏洞初期被渲染為五代Zen家族「全滅」，但實際影響範圍有限，且AMD已提前完成漏洞處置，充分體現了其對產品安全性的重視——尤其針對EPYC這類數據中心級產品，安全始終被置於首位。無論是內部自主研發排查，還是聯動行業機構合作，AMD均能儘早發現安全隱患並快速修復，讓惡意分子通過公開漏洞攻擊牟利的企圖淪為空談。就在行業釐清StackWarp漏洞真相、確認AMD低危定性及修復進展的同時，國產芯片陣營的表現更顯亮眼。堅守硬件安全底線的國產X86芯片成功「避雷」，消息人士證實，以海光為代表的國產X86芯片已通過全面驗證，對該漏洞實現完全原生免疫，無需依賴固件更新等補救措施。業內分析指出，這一優勢源於本土廠商在指令架構層面的持續自主創新，憑藉底層技術的自主可控，部分國產CPU從根源上規避了此類硬件級漏洞的攻擊風險。為響應國家信息安全戰略對本土硬件產品的核心需求，國內頭部CPU廠商普遍採用芯片內生安全設計理念，將安全能力深度融入芯片底層架構。以海光CPU為例，其在基礎指令架構上自主擴充安全算法指令集，通過內置獨立安全處理器，實現機密計算、可信計算、漏洞防禦等功能的原生支持，在保障性能充分釋放的同時，構建起自主可控的安全防護體系。相較於AMD SEV-SNP技術存在的漏洞隱患，海光基於自主研發的CSV3機密計算技術，可有效阻止主機對虛擬機頁表的非法篡改，從根源上解決了SEV-SNP技術的單步執行缺陷，使得攻擊者無法通過篡改MSR在精準指令節點實施攻擊，這也是其能原生免疫StackWarp漏洞的核心原因。值得關注的是，海光CPU在築牢安全防線的同時，已完成多輪獨立產品迭代，性能表現比肩海外同代X86芯片，且全系產品均通過安可測評認證，構建起可自主演進、自主可控的國產X86技術路線，為國內關鍵信息基礎設施建設提供了可靠硬件支撐。業內專業人士表示，StackWarp漏洞雖被定為低危，但其攻擊邏輯與Meltdown、Spectre等經典高危硬件漏洞有相似之處，再次引發行業對高性能芯片安全可控性的審視。此次事件中，AMD展現了成熟的漏洞處置能力，而國產海光CPU的原生免疫表現，更打破了海外技術路線中「安全與性能可能需權衡」的潛在困境。在全球科技博弈日趨激烈的當下，國產芯片在自主創新領域的持續投入正迎來確定性價值回報。這種以底層架構自主為核心、兼顧安全與性能的發展路徑，不僅為國產硬件產業突圍提供了清晰方向，更成為打贏國產硬件安全保衞戰、築牢國家信息安全屏障的關鍵支撐。聲明：本文僅為信息交流之用，不構成任何投資建議，股市有風險，投資需謹慎。","kind":"news","is_publish_news":true,"is_publish_highlight":false,"is_publish_live":false,"is_publish_wemedia":null,"editions":null,"column":"","sentiment":"0","news_tag":"","news_rank":0,"symbols":[],"gpt_button":0,"need_auth":false,"code":"91000000","status":"200"}}}