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sigma star gmbh Blog
Profound insights on Linux, open source and security: We keep you updated on our sigma star blog. Discover valuable tips and stay updated on our work: Dive in!
- Posts
- 38 from 31 May 2021 to 21 Aug 2026
- Posting
- monthly (7 in the last year)
- Kind
- company blog
- Feed
- https://sigma-star.at/blog/index.xml
2026 6
- Hunting Down a Go Runtime Bug on 32-bit Embedded Systems
- Integrity on Embedded Linux Devices under the Cyber Resilience Act
- TrustZone Intermezzo: Broken OP-TEE Memory Isolation on i.MX 8M
- You probably don't need Yocto, and that's fine
- Data Confidentiality via Storage Encryption on Embedded Linux Devices
- TPM on Embedded Systems: Pitfalls and Caveats
2025 4
2024 4
- sigma-star-sa-2024-001: CHAP authentication bypass in user-space Linux target framework (tgt) up to v1.0.92 (CVE-2024-45751)
- Thoughts on Linux CNA's Approach and the Resulting CVE Flood
- Pseudo Graceful Process Termination through Code Injection
- A Time Consuming Pitfall for 32-bit Applications on AArch64
2023 10
- Investigating Paranormal Shell Activities
- Analyzing Packet Drops Without Tooling: Or ftrace the Pure Way
- No Love for Negative Permissions
- CVE-2023-31147: Insufficient randomness for DNS query identifiers in c-ares
- Let's Embed a Go Program into the Linux Kernel
- Embedded Open Source Summit 2023 in Prague
- Who's your canary?
- Restricting network access using Linux Network Namespaces
- Too many CPUs to build
- Restricting file system access using Linux Mount Namespaces