EmbeddingGemma 2: an open, lightweight multimodal embedding model
deepmind.google·6d ago
AI Engineering
Hacker News·Aug 29·5 min read
GrapheneOS project: pixel 11 no longer supports hardware memory tagging (MTE)
TL;DR
GrapheneOS has made partial progress in porting its operating system to the Pixel 11 series, but the effort is hindered by the absence of hardware memory tagging support. This limitation stems from Google's decision to remove a key security feature to cut costs.
✦ Why It Matters
Consider alternative devices that support advanced security features like hardware memory tagging.
Key Takeaways
- Explore devices with hardware memory tagging for enhanced security.
- Stay informed about GrapheneOS developments for potential future support.
- Evaluate the security implications of using Pixel 11 without MTE.
- Consider contributing to open-source projects focused on privacy and security.
Full Summary
GrapheneOS, a privacy-focused operating system, has initiated a partial port to the Pixel 11 series. However, the project faces significant challenges due to the lack of support for ARM hardware memory tagging (MTE), a security feature designed to help prevent memory-related vulnerabilities.
This absence is attributed to Google's choice to eliminate MTE to reduce expenses, which has implications for the security of devices running this hardware. The team has spent a week working on the port but has concluded that without MTE support in software, firmware, and likely hardware, the project cannot be completed.
This situation highlights the trade-offs between cost-saving measures and maintaining robust security features in consumer devices. As a result, users of the Pixel 11 may face increased risks regarding data protection.