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Article at Gizmodo|by Tom McKay
Report: All Intel Processors Made in the Last Decade Might Have a Massive Security Flaw:
https://gizmodo.com/report-all-intel...-mi-1821728240
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There's small screwups and big screwups. Here is tremendously huge screwup: Virtually all Intel processors produced in the last decade have a major security hole that could allow "normal user programs—from database applications to JavaScript in web browsers—to discern to some extent the layout or contents of protected kernel memory areas," the Register reported on Tuesday.
Essentially, modern Intel processors have a design flaw that could allow malicious programs to read protected areas of a device's kernel memory (memory dedicated to the most essential core components of an operating system and their interactions with system hardware). This flaw could potentially expose protected information like passwords. Since the error is baked into the Intel x86-64 hardware, it requires an OS-level overwrite to patch—on every major operating system, including Windows, Linux, and macOS.
The exact details of the design flaw and to what extent users are vulnerable are being kept under wraps for now, per the Register, though since developers appear to be rushing towards patching systems in coming weeks it is likely very bad. In the absolute worst-case speculative scenario, something as simple as JavaScript running on a webpage or cloud-hosted malware could gain access to some of the most sensitive inner workings of an Intel-based device.
Because the fix entails severing kernel memory entirely from user processes, patched OSes could potentially see a massive performance hit of "five to 30 percent slowdown, depending on the task and processor model"
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Great.
Just what every owner of a PC or Laptop with an Intel chip needs.
Just for fun, check out the comments beneath the article:
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10 years for it to be discovered by legit researchers. No telling when state-level or other groups knew about it.
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Happy Wednesday everyone,
-jp
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