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SinkClose flaw impacts AMD EPYC and Ryzen CPUs, helps gain Ring -2 privileges
- smegsicle 2y ago[flagged]
- deleted 2y ago[deleted]
- deleted 2y ago[deleted]
- Ristovski 2y agoFor those wondering what the exact attack vector is, the AMD advisory has some details: > Improper validation in a model specific register (MSR) could allow a malicious program with ring0 access to modify SMM configuration while SMI lock is enabled, potentially leading to arbitrary code execution. [0] [0]: https://www.amd.com/en/resources/product-security/bulletin/amd-sb-7014.html https://www.amd.com/en/resources/product-security/bulletin/a...
- yencabulator 2y agoDiscussion at https://news.ycombinator.com/item?id=41204160 https://news.ycombinator.com/item?id=41204160