[B! intel][ã‚»ã‚ãƒ¥ãƒªãƒ†ã‚£] at_9FgRkUX8Xrã®ãƒ

at_9FgRkUX8Xr id:at_9FgRkUX8Xr

intelã¨ã‚»ã‚ãƒ¥ãƒªãƒ†ã‚£ã«é–¢ã™ã‚‹at_9FgRkUX8Xrã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (4)

${{author_name}}$

{{{comment_expanded}}}

{{label}}

{{#is_bookmark}}ãƒªã‚¹ãƒˆ{{/is_bookmark}}{{^is_bookmark}}ãƒªãƒ³ã‚¯{{/is_bookmark}}

${{author_name}}$
{{author_name}}{{created}}
{{ #comment }}{{ comment }}{{ /comment }}
- {{ label }}

${{author_name}}$

{{{comment_expanded}}}

{{label}}

{{#is_bookmark}}ãƒªã‚¹ãƒˆ{{/is_bookmark}}{{^is_bookmark}}ãƒªãƒ³ã‚¯{{/is_bookmark}}

Intelæ¬¡æœŸCPUâ€œTiger Lakeâ€ã«ã‚¢ãƒ¼ã‚ãƒ†ã‚¯ãƒãƒ£ãƒ¬ãƒ™ãƒ«ã§ã‚»ã‚ãƒ¥ãƒªãƒ†ã‚£æ©Ÿèƒ½è¿½åŠ
at_9FgRkUX8Xr 2020/06/17
Spectreã¨ã‹Meltdownã§æ•£ã€…ãƒ€ãƒ¡ãƒ¼ã‚¸å—ã‘ãŸã‚‚ã‚“ãªããƒ»ãƒ»ãƒ»(Â´ãƒ»Ï‰ãƒ»`)

CPU

intel

ã‚»ã‚ãƒ¥ãƒªãƒ†ã‚£
ãƒªãƒ³ã‚¯
Intelã€ãƒ«ãƒã‚µã‚¹USB 3.0ãƒ‰ãƒ©ã‚¤ãƒã®ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ©ã«è„†å¼±æ€§ãŒã‚ã‚‹ã¨ã—ã€Œä½¿ç”¨åœæ¢ã€ã‚’å‹§å‘Š
at_9FgRkUX8Xr 2020/02/12
ãƒ‰ãƒ©ã‚¤ãƒ

intel

usb

ã‚»ã‚ãƒ¥ãƒªãƒ†ã‚£

NEC

è„†å¼±æ€§
ãƒªãƒ³ã‚¯
Intelè£½CPUã®æ–°ãŸãªè„†å¼±æ€§ã€ŒL1Dã‚¨ãƒ“ã‚¯ã‚·ãƒ§ãƒ³ã‚µãƒ³ãƒ—ãƒªãƒ³ã‚°ã€ã‚’åˆ©ç”¨ã—ã¦ãƒ‡ãƒ¼ã‚¿ã‚’å¼•ãå‡ºã™æ”»æ’ƒã€ŒCacheOutã€ãŒå ±å‘Šã•ã‚Œã‚‹
2018å¹´ç¬¬3å››åŠæœŸä»¥å‰ã«ãƒªãƒªãƒ¼ã‚¹ã•ã‚ŒãŸIntel CPUãŒæŠ±ãˆã‚‹L1Dã‚¨ãƒ“ã‚¯ã‚·ãƒ§ãƒ³ã‚µãƒ³ãƒ—ãƒªãƒ³ã‚°(CVE-2020-0549)ã¨ã„ã†è„†å¼±æ€§ã‚’åˆ©ç”¨ã—ã¦ã€CPUã‹ã‚‰æ©Ÿå¯†ãƒ‡ãƒ¼ã‚¿ã‚’æ¼ãˆã„ã•ã›ã‚‹æ¨™çš„åž‹æ”»æ’ƒã€ŒCacheOutã€ãŒã‚»ã‚ãƒ¥ãƒªãƒ†ã‚£ç ”ç©¶è€…ã«ã‚ˆã£ã¦å ±å‘Šã•ã‚Œã¾ã—ãŸã€‚Intelã‚‚ã“ã®è„†å¼±æ€§ã¨Cacheoutã®å±é™ºæ€§ã‚’èªã‚ã€è¿‘ã„ã†ã¡ã«ã“ã®è„†å¼±æ€§ã«å¯¾ã™ã‚‹ç·©å’Œç–ã‚’BIOSã‚ã‚‹ã„ã¯ãƒ‰ãƒ©ã‚¤ãƒãƒ¼ã®æ›´æ–°ã¨ã„ã†å½¢ã§ãƒªãƒªãƒ¼ã‚¹ã™ã‚‹äºˆå®šã ã¨è¿°ã¹ã¦ã„ã¾ã™ã€‚ CacheOut https://cacheoutattack.com/ L1D Eviction Sampling https://software.intel.com/security-software-guidance/software-guidance/l1d-eviction-sampling L1Dã‚¨ãƒ“ã‚¯ã‚·ãƒ§ãƒ³ã‚µãƒ³ãƒ—ãƒªãƒ³ã‚°ã¨CacheOutã¯ãƒŸã‚·ã‚¬ãƒ³å¤§å¦ã®ã‚¹
at_9FgRkUX8Xr 2020/01/28
intel

CPU

ã‚»ã‚ãƒ¥ãƒªãƒ†ã‚£
ãƒªãƒ³ã‚¯
Intelè£½CPUã‚’ç‹™ã†æ”»æ’ƒã€ŒZombieLoadã€ã«æ–°ç¨®ãŒç™»å ´ã€€ç¾è¡Œã®ãƒ‘ãƒƒãƒã‚‚ç„¡åŠ¹
é–¢é€£ã‚ãƒ¼ãƒ¯ãƒ¼ãƒ‰ Intelï¼ˆã‚¤ãƒ³ãƒ†ãƒ«ï¼‰ | è„†å¼±æ€§ ã‚»ã‚ãƒ¥ãƒªãƒ†ã‚£ç ”ç©¶è€…ã‚°ãƒ«ãƒ¼ãƒ—ã«ã‚ˆã‚Šã€Intelè£½ãƒ—ãƒã‚»ãƒƒã‚µã®è„†å¼±ï¼ˆãœã„ã˜ã‚ƒãï¼‰æ€§ã‚’æ‚ªç”¨ã—ãŸã€ŒZombieLoadã€æ”»æ’ƒã®æ–°ãƒãƒ¼ã‚¸ãƒ§ãƒ³ã€ŒZombieLoad Variant 2ã€ï¼ˆä»¥ä¸‹ã€ZombieLoad v2ï¼‰ãŒè¦‹ã¤ã‹ã£ãŸã€‚ã•ã‚‰ã«æœ€åˆã«è¦‹ã¤ã‹ã£ãŸZombieLoadã«å¯¾ã™ã‚‹Intelã®ä¿®æ£ãŒå›žé¿å¯èƒ½ã§ã‚ã‚‹ã¨è¦å‘Šã—ãŸã€‚ IntelãŒ2019å¹´5æœˆ14æ—¥ã«æ˜Žã‚‰ã‹ã«ã—ãŸZombieLoadã¯ã€å‡¦ç†é«˜é€ŸåŒ–ã®ä»•çµ„ã¿ã§ã‚ã‚‹ã€ŒæŠ•æ©Ÿçš„å®Ÿè¡Œã€ã‚’æ‚ªç”¨ã—ã¦åŒç¤¾è£½ãƒ—ãƒã‚»ãƒƒã‚µã‹ã‚‰ãƒ‡ãƒ¼ã‚¿ã‚’ç›—ã¿å‡ºã›ã‚‹ã‚ˆã†ã«ã™ã‚‹æ”»æ’ƒã ã€‚ã€ŒRogue In-Flight Data Loadã€ï¼ˆRIDLï¼‰ã€ã€ŒFalloutã€ã¨ã¨ã‚‚ã«ã€ãƒ—ãƒã‚»ãƒƒã‚µã®è„†å¼±æ€§ã€ŒMicroarchitectural Data Samplingã€ï¼ˆMDSï¼‰ã‚’æ‚ªç”¨ã™ã‚‹æ”»æ’ƒã¨ã—ã¦å ±å‘Šã—ãŸã€‚å‰è¿°ã®ç ”ç©¶è€…ã‚°ãƒ«ãƒ¼ãƒ—ã¯Zombi
at_9FgRkUX8Xr 2019/12/18
ããˆãƒ¼ãƒ»ãƒ»ãƒ»(Â´ãƒ»Ï‰ãƒ»`)

intel

CPU

ã‚»ã‚ãƒ¥ãƒªãƒ†ã‚£
ãƒªãƒ³ã‚¯
1