cve/2024/CVE-2024-46774.md

### [CVE-2024-46774](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-46774)
![](https://img.shields.io/static/v1?label=Product&message=Linux&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2%3C%20d2834ff1d9641a8695a09ea79cd901c7b6d4d05f%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brighgreen)

### Description

In the Linux kernel, the following vulnerability has been resolved:powerpc/rtas: Prevent Spectre v1 gadget construction in sys_rtas()Smatch warns:  arch/powerpc/kernel/rtas.c:1932 __do_sys_rtas() warn: potential  spectre issue 'args.args' [r] (local cap)The 'nargs' and 'nret' locals come directly from a user-suppliedbuffer and are used as indexes into a small stack-based array and asinputs to copy_to_user() after they are subject to bounds checks.Use array_index_nospec() after the bounds checks to clamp these valuesfor speculative execution.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/bygregonline/devsec-fastapi-report