CVE-2019-12984

Severity: medium (CVSS 5.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2019-06-26 · updated 2026-06-17
Weakness: CWE-476

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.

Affected products

Linux kernel: before 5.1.13 — fixed in 5.1.13

How to fix

Upgrade to a fixed version: Linux kernel 5.1.13. Check the vendor advisory for mitigations.

References

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

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