JP5242747B2 - システム管理割り込みを再命令し、仮想マシンコンテナを生成することによる、信頼性のないシステム管理コードに対する保護方法 - Google Patents
システム管理割り込みを再命令し、仮想マシンコンテナを生成することによる、信頼性のないシステム管理コードに対する保護方法 Download PDFInfo
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- JP5242747B2 JP5242747B2 JP2011178882A JP2011178882A JP5242747B2 JP 5242747 B2 JP5242747 B2 JP 5242747B2 JP 2011178882 A JP2011178882 A JP 2011178882A JP 2011178882 A JP2011178882 A JP 2011178882A JP 5242747 B2 JP5242747 B2 JP 5242747B2
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/50—Monitoring users, programs or devices to maintain the integrity of platforms, e.g. of processors, firmware or operating systems
- G06F21/52—Monitoring users, programs or devices to maintain the integrity of platforms, e.g. of processors, firmware or operating systems during program execution, e.g. stack integrity ; Preventing unwanted data erasure; Buffer overflow
- G06F21/53—Monitoring users, programs or devices to maintain the integrity of platforms, e.g. of processors, firmware or operating systems during program execution, e.g. stack integrity ; Preventing unwanted data erasure; Buffer overflow by executing in a restricted environment, e.g. sandbox or secure virtual machine
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F12/00—Accessing, addressing or allocating within memory systems or architectures
- G06F12/14—Protection against unauthorised use of memory or access to memory
- G06F12/1458—Protection against unauthorised use of memory or access to memory by checking the subject access rights
- G06F12/1491—Protection against unauthorised use of memory or access to memory by checking the subject access rights in a hierarchical protection system, e.g. privilege levels, memory rings
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/50—Monitoring users, programs or devices to maintain the integrity of platforms, e.g. of processors, firmware or operating systems
- G06F21/57—Certifying or maintaining trusted computer platforms, e.g. secure boots or power-downs, version controls, system software checks, secure updates or assessing vulnerabilities
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2221/00—Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F2221/21—Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F2221/2105—Dual mode as a secondary aspect
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- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Theoretical Computer Science (AREA)
- Software Systems (AREA)
- General Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Storage Device Security (AREA)
- Memory System Of A Hierarchy Structure (AREA)
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Description
の利益を有することが可能である。上記で概観したようなソフトウェアとハードウェアのミスマッチに対処するために、既存のサブオペレーティングシステムモードの実行は、特権制限又はアドレスマッピング制限を有しない。サブオペレーティングシステムモードは、専用サブオペレーティングシステムモードの割り込みにより呼び出されることが可能であり、ときどき、システムファームウェア又はシステムハードウェアにより生成されることが可能である。この専用サブオペレーティングシステムモードの割り込みは、通常、そのモードへのエントリを必要とした緊急性に応答するために、マスク不可能であるようにデザインされている。
VMexit/VMcallハンドラ754の一部は、特定のこれらのロックされたメモリページからの読み出し又はそれからの書き込みが状況に依存して進めるようにされる必要があるかどうかを決定することが可能である。一実施形態において、ロックされたメモリページにおいて対象とされた位置が高信頼性のデータを含んでいないことをVMexit/VMcallハンドラ754が決定した場合、ロックされたメモリページからの読み出し又はそれからの書き込みが許可されることが可能である。
210乃至230 信頼性のない装置
240 信頼性のないオペレーティングシステム
250 SVMM
260 カーネル
280 ハードウェアリソース
300 マイクロプロセッサ
310 CPU A
314 CPU B
318 CPU C
322 CPU D
320 システムバス
330 チップセット
450 SVMM
452 SVMM SMMハンドラ
454 VMexit/VMcallハンドラ
490 SMM VM
522 VMenter
524 VMexit/VMcall
526 VMコードRSM
610 CPU A
614 CPU B
618 CPU C
622 CPU D
620 システムバス
626 RSM
630 チップセット
631 チップセットSMBASEレジスタ
634 メモリ
660 ロックされたメモリページ
664 SVMM
668 VMexit/VMcall
724 VMexit/VMcall
750 SVMM
754 VMexit/VMcallハンドラ
790 SMM VM
Claims (15)
- プロセッサによりサブオペレーティングシステムモード割り込みを受け入れる段階であって、高信頼性コードにおいて第1ハンドラに前記サブオペレーティングシステムモード割り込みを命令する、段階;
第1仮想マシンにおける高信頼性コードを有する第1ハンドラにより、前記高信頼性コードのセキュリティ制御下で仮想マシンに含まれるサブオペレーティングシステムモードのコードに前記サブオペレーティングシステムモード割り込みを再命令する段階;及び
前記サブオペレーティングシステムモードのコードにより、前記サブオペレーティングシステムモード割り込みを処理する段階;
を有する方法。 - 前記高信頼性コードにより、前記プロセッサにおける割り込みサービスレジスタを書き込む段階;
を更に有する請求項1に記載の方法。 - 前記割り込みサービスレジスタはシステム管理ベースのレジスタであり、前記サブオペレーティングシステムモード割り込みはシステム管理割り込みである、請求項2に記載の方法。
- 前記サブオペレーティングシステムモード割り込みを処理する段階は、ページモードで実行する前記サブオペレーティングシステムモードのコードを有する、請求項1に記載の方法。
- 前記第1コードはシステム管理モードコードである、請求項4に記載の方法。
- メモリのロックされたページにアクセスする試みに応答して、前記高信頼性コードにおける第2ハンドラを呼び出す段階;
を更に有する請求項1に記載の方法。 - 前記第2ハンドラにより、前記メモリの前記ロックされたページにアクセスする前記試みが許可可能であるかどうかを決定する段階;
を更に有する請求項6に記載の方法。 - 前記第2ハンドラにより、修正されたレジューム命令を発行することにより前記サブオペレーティングシステムモードのコードからのエグジットを開始する段階;
を更に有する請求項6に記載の方法。 - 前記第1ハンドラにより、状態データを記憶するメモリのロックされたページにおける空間を確立する段階;
を更に有する請求項1に記載の方法。 - 前記サブオペレーティングシステムモードのコードはメモリのロックされていないページに位置している、請求項1に記載の方法。
- 前記高信頼性コードにより、前記プロセッサにおける割り込みサービスレジスタを無効にする段階;
を更に有する請求項1に記載の方法。 - 前記割り込みサービスレジスタはシステム管理ベースのレジスタであり、前記サブオペレーティングシステムモード割り込みはシステム管理割り込みである、請求項11に記載の方法。
- メモリのロックされたページにアクセスする試みに応答して、前記高信頼性コードにおける前記第1ハンドラを呼び出す段階;
を更に有する請求項1に記載の方法。 - 前記第1ハンドラにより、前記メモリのロックされたページにアクセスする前記試みが許可可能かどうかを決定する段階;
を更に有する請求項13に記載の方法。 - 前記第1ハンドラにより、修正されたレジューム命令を発行することにより前記システム管理コードからのエグジットを開始する段階;
を更に有する請求項13に記載の方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/165,597 US20030229794A1 (en) | 2002-06-07 | 2002-06-07 | System and method for protection against untrusted system management code by redirecting a system management interrupt and creating a virtual machine container |
US10/165,597 | 2002-06-07 |
Related Parent Applications (1)
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JP2007150997A Division JP4846660B2 (ja) | 2002-06-07 | 2007-06-06 | システム管理割り込みを再命令し、仮想マシンコンテナを生成することによる、信頼性のないシステム管理コードに対する保護方法 |
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Publication Number | Publication Date |
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JP2011227939A JP2011227939A (ja) | 2011-11-10 |
JP5242747B2 true JP5242747B2 (ja) | 2013-07-24 |
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JP2004511985A Expired - Fee Related JP4708016B2 (ja) | 2002-06-07 | 2003-05-01 | システム管理命令を再命令すること及び仮想マシンコンテナを生成することによる信頼性のないシステム管理コードに対する保護のためのシステム及び方法 |
JP2007150997A Expired - Lifetime JP4846660B2 (ja) | 2002-06-07 | 2007-06-06 | システム管理割り込みを再命令し、仮想マシンコンテナを生成することによる、信頼性のないシステム管理コードに対する保護方法 |
JP2011178882A Expired - Lifetime JP5242747B2 (ja) | 2002-06-07 | 2011-08-18 | システム管理割り込みを再命令し、仮想マシンコンテナを生成することによる、信頼性のないシステム管理コードに対する保護方法 |
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JP2004511985A Expired - Fee Related JP4708016B2 (ja) | 2002-06-07 | 2003-05-01 | システム管理命令を再命令すること及び仮想マシンコンテナを生成することによる信頼性のないシステム管理コードに対する保護のためのシステム及び方法 |
JP2007150997A Expired - Lifetime JP4846660B2 (ja) | 2002-06-07 | 2007-06-06 | システム管理割り込みを再命令し、仮想マシンコンテナを生成することによる、信頼性のないシステム管理コードに対する保護方法 |
Country Status (8)
Country | Link |
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US (2) | US20030229794A1 (ja) |
EP (1) | EP1512074A2 (ja) |
JP (3) | JP4708016B2 (ja) |
CN (1) | CN100377092C (ja) |
AU (1) | AU2003231237A1 (ja) |
MY (1) | MY146723A (ja) |
RU (1) | RU2313126C2 (ja) |
WO (1) | WO2003104981A2 (ja) |
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-
2002
- 2002-06-07 US US10/165,597 patent/US20030229794A1/en not_active Abandoned
-
2003
- 2003-05-01 EP EP03724373A patent/EP1512074A2/en not_active Withdrawn
- 2003-05-01 WO PCT/US2003/013616 patent/WO2003104981A2/en active Application Filing
- 2003-05-01 CN CNB038188236A patent/CN100377092C/zh not_active Expired - Fee Related
- 2003-05-01 JP JP2004511985A patent/JP4708016B2/ja not_active Expired - Fee Related
- 2003-05-01 AU AU2003231237A patent/AU2003231237A1/en not_active Abandoned
- 2003-05-01 RU RU2004139086/09A patent/RU2313126C2/ru not_active IP Right Cessation
- 2003-06-06 MY MYPI20032123A patent/MY146723A/en unknown
-
2005
- 2005-03-30 US US11/095,855 patent/US7581219B2/en not_active Expired - Lifetime
-
2007
- 2007-06-06 JP JP2007150997A patent/JP4846660B2/ja not_active Expired - Lifetime
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2011
- 2011-08-18 JP JP2011178882A patent/JP5242747B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US20030229794A1 (en) | 2003-12-11 |
US7581219B2 (en) | 2009-08-25 |
CN100377092C (zh) | 2008-03-26 |
RU2004139086A (ru) | 2005-07-10 |
CN1675623A (zh) | 2005-09-28 |
AU2003231237A1 (en) | 2003-12-22 |
RU2313126C2 (ru) | 2007-12-20 |
AU2003231237A8 (en) | 2003-12-22 |
EP1512074A2 (en) | 2005-03-09 |
JP2007265434A (ja) | 2007-10-11 |
JP4846660B2 (ja) | 2011-12-28 |
US20060015869A1 (en) | 2006-01-19 |
WO2003104981A2 (en) | 2003-12-18 |
JP2005529401A (ja) | 2005-09-29 |
JP4708016B2 (ja) | 2011-06-22 |
WO2003104981A3 (en) | 2004-05-13 |
MY146723A (en) | 2012-09-14 |
JP2011227939A (ja) | 2011-11-10 |
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