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authorRaoul Strackx <raoul.strackx@fortanix.com>2022-08-10 15:38:53 +0200
committerRaoul Strackx <raoul.strackx@fortanix.com>2022-08-17 09:51:03 +0200
commit2a23d08aaefd60d294d63600a707575a6efcf292 (patch)
tree2ce9ab204571dc27b64643713e4cd28f9d13b17f /compiler/rustc_codegen_llvm/src
parent25de53f76842544b695f826303034fd0419a5d6a (diff)
downloadrust-2a23d08aaefd60d294d63600a707575a6efcf292.tar.gz
rust-2a23d08aaefd60d294d63600a707575a6efcf292.zip
Mitigate Stale Data Read for xAPIC vulnerability
In order to mitigate the Stale Data Read for xAPIC vulnerability completely, reading userspace from an SGX enclave must be aligned and in 8-bytes chunks.

References:

 - https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00657.html
 - https://www.intel.com/content/www/us/en/developer/articles/technical/software-security-guidance/advisory-guidance/stale-data-read-from-xapic.html
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