Protection of kernel from code reuse attacks
US11995178B2 · kind B2 · utility
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4References
18Claims
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Key dates
| Filing date | Dec 31, 2021 |
| Grant date | May 28, 2024 |
| Priority date | — |
| Expiry date | Jan 1, 2042 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2221/033
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Protection of a kernel from a sniff and code reuse attack. A kernel mode page table in initialized in a kernel. The kernel page entries in the kernel mode page table are set from s-pages to u-pages. Supervisor mode access prevention is enabled in the u-pages. Code contained in the kernel page entries in the u-pages is executed, the kernel page entries in the u-pages are capable of execution but are not capable of being accessed and read directly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.