CVE-2020-26088

Name: CVE-2020-26088
Creator: NVD / NIST
Published: 2020-09-24T15:15:15.267+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.40%

Last modified Jun 17, 2026

CVE-2020-26088 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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.. EPSS estimates a 0.40% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

5.5/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

EPSS Probability

0.40%

31.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-276

Affected Software

Vendor	Product	Versions
Linux	Linux Kernel	< 5.8.2
Debian	Debian Linux	9.0
Opensuse	Leap	15.1
Opensuse	Leap	15.2
Canonical	Ubuntu Linux	14.04
Canonical	Ubuntu Linux	16.04
Canonical	Ubuntu Linux	18.04

References

http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00001.htmlThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00021.htmlMailing List, Third Party Advisory
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.8.2Patch, Release Notes, Vendor Advisory
https://github.com/torvalds/linux/commit/26896f01467a28651f7a536143fe5ac8449d4041Patch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/09/msg00025.htmlThird Party Advisory
https://lists.debian.org/debian-lts-announce/2020/10/msg00032.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/10/msg00034.htmlMailing List, Third Party Advisory
https://usn.ubuntu.com/4578-1/Patch, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00001.htmlThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00021.htmlMailing List, Third Party Advisory
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.8.2Patch, Release Notes, Vendor Advisory
https://github.com/torvalds/linux/commit/26896f01467a28651f7a536143fe5ac8449d4041Patch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/09/msg00025.htmlThird Party Advisory
https://lists.debian.org/debian-lts-announce/2020/10/msg00032.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/10/msg00034.htmlMailing List, Third Party Advisory
https://usn.ubuntu.com/4578-1/Patch, Third Party Advisory

Timeline

Published: Sep 24, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-26088?

How severe is CVE-2020-26088?

CVE-2020-26088 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.40% probability of exploitation in the next 30 days.

How do I fix CVE-2020-26088?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-26088?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST