CVE-2020-26088

MEDIUM

Linux Kernel < 5.8.2 - Unauthenticated Raw Socket Creation via Missing CAP_NET_RAW Check

Title source: llm
STIX 2.1

Description

A missing CAP_NET_RAW check in NFC socket creation in net/nfc/rawsock.c in the Linux kernel before 5.8.2 could be used by local attackers to create raw sockets, bypassing security mechanisms, aka CID-26896f01467a.

References (8)

Core 8
Core References
Patch, Release Notes, Vendor Advisory x_refsource_misc
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.8.2
Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2020/09/msg00025.html
Third Party Advisory vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00001.html
Mailing List, Third Party Advisory vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00021.html
Patch, Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/4578-1/
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html

Scores

CVSS v3 5.5
EPSS 0.0001
EPSS Percentile 2.1%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Details

CWE
CWE-276
Status published
Products (7)
canonical/ubuntu_linux 14.04
canonical/ubuntu_linux 16.04
canonical/ubuntu_linux 18.04
debian/debian_linux 9.0
linux/linux_kernel < 5.8.2
opensuse/leap 15.1
opensuse/leap 15.2
Published Sep 24, 2020
Tracked Since Feb 18, 2026