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- W4286579572 abstract "The confidentiality of the operating system kernel addresses is crucial to keeping the kernel secure from malicious users. To avoid leaking this position, researchers have proposed various techniques to defeat the exploits of <italic xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>abnormal</i> data flows embedded in the kernel's memory safety loopholes, such as uninitialized memory read and buffer over-reads. However, this is far from complete. The kernel address can be leaked even in <italic xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>normal</i> data flows without exploiting memory safety loopholes. We have designed a static analysis tool named Hawkeye to fill the gap. It searches for kernel address leakages in normal data flows that reveal the kernel address clues. Hawkeye precisely identifies the kernel addresses with minimum manual annotation and scales to analyze the whole kernel source code. It requires nearly ten times fewer memory resources and 40 times less inspection time than the state-of-the-art tool that analyzes kernel address leakage. Hawkeye unveils hundreds of leakages in various versioned kernels. It has even discovered 20 bugs in the mainline Linux kernel with the kernel pointer hashing mechanism already deployed and three bugs in FreeBSD. All the corresponding patches have been accepted by the developers." @default.
- W4286579572 created "2022-07-22" @default.
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- W4286579572 date "2023-07-01" @default.
- W4286579572 modified "2023-10-17" @default.
- W4286579572 title "Hawkeye: Eliminating Kernel Address Leakage in Normal Data Flows" @default.
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- W4286579572 doi "https://doi.org/10.1109/tdsc.2022.3193327" @default.
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