GHSA-gv7f-5qqh-vxfx: xous has unsound usages of `core::slice::from_raw_parts`

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1. GitHub Advisory Database
2. GitHub Reviewed
3. GHSA-gv7f-5qqh-vxfx

xous has unsound usages of `core::slice::from_raw_parts`

Low severity GitHub Reviewed Published Dec 30, 2024 to the GitHub Advisory Database • Updated Dec 30, 2024

Package

cargo xous (Rust)

Affected versions

< 0.9.51

Description

We consider as_slice and as_slice_mut unsound because: the pointer with any bit patterns could be cast to the slice of arbitrary types. The pointer could be created by unsafe new and deprecated from_parts. We consider that from_parts should be removed in latest version because it will help trigger unsoundness in as_slice. With new declared as unsafe, as_slice should also declared as unsafe.

This was patched in by marking two functions as unsafe.

References

• betrusted-io/xous-core#410
• betrusted-io/xous-core#411
• https://rustsec.org/advisories/RUSTSEC-2024-0431.html

Published to the GitHub Advisory Database

Dec 30, 2024

Last updated

Dec 30, 2024