Intel Chips Have Memory Access Design Flaw and Fix Could Lead to
Performance Drop
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serious design flaw , security vulnerability has been discovered in intel's cpus require update @ operating system level fix, reports the register. modern computers intel chips last 10 years appear affected, including running windows, linux, , macos.
full details on vulnerability aren't yet known information under embargo until later in month. the register has unearthed data, however, , seems bug allows normal user programs see of contents of protected kernel memory.
means malicious programs can potentially, in worst case scenario, read contents of kernel memory, can include information passwords, login keys, , more. it's not yet clear how severe bug is, the register speculates it's significant given rapid changes being made windows , linux.
to fix bug, kernel's memory needs isolated user processes using kernel page table isolation, cause performance hit on machines. according the register, linux , windows machines see 5 30 percent slowdown once fix in place.
it's not yet clear how macs impacted, there little information available @ time. software updates in works linux , windows, , though not mentioned, apple working on fix issue.
full details on what's known vulnerability can found @ the register, , additional information available later month when complete details on design flaw shared.
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