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Tag: memory access

  • The Register: Tiny Linux kernel tweak could cut datacenter power use by 30%, boffins say

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    Kurt Seifried
    in

    Source URL: https://www.theregister.com/2025/01/29/linux_kernel_tweak/ Source: The Register Title: Tiny Linux kernel tweak could cut datacenter power use by 30%, boffins say Feedly Summary: Not bad for 30 lines of code Hardware keeps getting faster, but it’s still worth taking a step back periodically and revisiting your code. You might just uncover a little tweak that wrings…

  • Hacker News: Susctl CVE-2024-54507: A particularly ‘sus’ sysctl in the XNU kernel

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    Kurt Seifried
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    Source URL: https://jprx.io/cve-2024-54507/ Source: Hacker News Title: Susctl CVE-2024-54507: A particularly ‘sus’ sysctl in the XNU kernel Feedly Summary: Comments AI Summary and Description: Yes Summary: The text discusses a security vulnerability (CVE-2024-54507) within the XNU kernel related to the sysctl interface, leading to an out-of-bounds read. This provides an important case study for software…

  • Hacker News: Making unsafe Rust a little safer

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    system automation
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    Source URL: https://blog.colinbreck.com/making-unsafe-rust-a-little-safer-tools-for-verifying-unsafe-code/ Source: Hacker News Title: Making unsafe Rust a little safer Feedly Summary: Comments AI Summary and Description: Yes **Summary:** The text discusses the advantages and pitfalls of using unsafe Rust code in systems programming, emphasizing the need for tools to verify the safety and correctness of such code. It highlights the role…

  • Google Online Security Blog: Retrofitting Spatial Safety to hundreds of millions of lines of C++

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    system automation
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    Source URL: https://security.googleblog.com/2024/11/retrofitting-spatial-safety-to-hundreds.html Source: Google Online Security Blog Title: Retrofitting Spatial Safety to hundreds of millions of lines of C++ Feedly Summary: AI Summary and Description: Yes Summary: The text discusses the exploitation of spatial memory safety vulnerabilities in C++ code, representing a significant security risk. Google’s initiative to enhance memory safety through the implementation…

  • Hacker News: SVDQuant: 4-Bit Quantization Powers 12B Flux on a 16GB 4090 GPU with 3x Speedup

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    system automation
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    Source URL: https://hanlab.mit.edu/blog/svdquant Source: Hacker News Title: SVDQuant: 4-Bit Quantization Powers 12B Flux on a 16GB 4090 GPU with 3x Speedup Feedly Summary: Comments AI Summary and Description: Yes **Summary:** The provided text discusses the innovative SVDQuant paradigm for post-training quantization of diffusion models, which enhances computational efficiency by quantizing both weights and activations to…

  • Bulletins: Vulnerability Summary for the Week of October 28, 2024

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    system automation
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    Source URL: https://www.cisa.gov/news-events/bulletins/sb24-309 Source: Bulletins Title: Vulnerability Summary for the Week of October 28, 2024 Feedly Summary: High Vulnerabilities PrimaryVendor — Product Description Published CVSS Score Source Info Patch Info acnoo — flutter_api  Authentication Bypass Using an Alternate Path or Channel vulnerability in Acnoo Acnoo Flutter API allows Authentication Bypass.This issue affects Acnoo Flutter API:…