Covert Channel and Timing Attack Vulnerability in Hyper-Threading Technology

CVE-2005-0109 · MEDIUM Severity

AV:L/AC:M/AU:N/C:C/I:N/A:N

Hyper-Threading technology, as used in FreeBSD and other operating systems that are run on Intel Pentium and other processors, allows local users to use a malicious thread to create covert channels, monitor the execution of other threads, and obtain sensitive information such as cryptographic keys, via a timing attack on memory cache misses.

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