CVE-2019-17056

LOW

Linux Kernel < 5.3.2 - Unprivileged Raw Socket Creation via AF_NFC Module

Title source: llm
STIX 2.1

Description

llcp_sock_create in net/nfc/llcp_sock.c in the AF_NFC network module in the Linux kernel through 5.3.2 does not enforce CAP_NET_RAW, which means that unprivileged users can create a raw socket, aka CID-3a359798b176.

References (14)

Core 14
Core References
Vendor Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/4185-1/
Vendor Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/4186-1/
Mailing List mailing-list x_refsource_bugtraq
https://seclists.org/bugtraq/2019/Nov/11
Vendor Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/4184-1/
Vendor Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/4185-2/
Vendor Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/4186-2/
Mailing List mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2020/01/msg00013.html
Mailing List mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html

Scores

CVSS v3 3.3
EPSS 0.0057
EPSS Percentile 42.5%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Details

CWE
CWE-276
Status published
Products (1)
linux/linux_kernel < 5.3.2
Published Oct 01, 2019
Tracked Since Feb 18, 2026