CVE-2022-1975

Name: CVE-2022-1975
Creator: NVD / NIST
Published: 2022-08-31T16:15:10.063+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.23%

Last modified Jun 17, 2026

CVE-2022-1975 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. There is a sleep-in-atomic bug in /net/nfc/netlink.c that allows an attacker to crash the Linux kernel by simulating a nfc device from user-space.. EPSS estimates a 0.23% chance of exploitation in the next 30 days.

Description

There is a sleep-in-atomic bug in /net/nfc/netlink.c that allows an attacker to crash the Linux kernel by simulating a nfc device from user-space.

Metrics

CVSS 3.1

5.5/10

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

EPSS Probability

0.23%

13.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-248

Affected Software

Vendor	Product	Versions	Update
Linux	Linux Kernel	5.18	Rc6

References

https://github.com/torvalds/linux/commit/4071bf121d59944d5cd2238de0642f3d7995a997Patch, Third Party Advisory
https://github.com/torvalds/linux/commit/4071bf121d59944d5cd2238de0642f3d7995a997Patch, Third Party Advisory

Timeline

Published: Aug 31, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-1975?

There is a sleep-in-atomic bug in /net/nfc/netlink.c that allows an attacker to crash the Linux kernel by simulating a nfc device from user-space.

How severe is CVE-2022-1975?

CVE-2022-1975 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.23% probability of exploitation in the next 30 days.

How do I fix CVE-2022-1975?

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-2022-1975?

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

Scan your code now

Source: NVD / NIST