What is CVE-2022-1975?

CVE-2022-1975 is a medium-severity vulnerability in Linux Kernel, classified under CWE-248. CVSS score: 5.5/10. Published 2022-08-31.

How severe is CVE-2022-1975?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Vulnerability in Linux Kernel

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.

Published 2022-08-31 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.002 (13.5th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 13th percentile — 13.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Linux Kernel — versions 5.18
Linux Kernel — versions Linux kernel 5.18 rc6

Weakness classification (CWE)

CWE-248

References

github.com/torvalds/linux/commit/4071bf121d59944d5cd2238de0642f3d7995a997 (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2022-1975?: CVE-2022-1975 is a medium-severity vulnerability in Linux Kernel, classified under CWE-248. CVSS score: 5.5/10. Published 2022-08-31.
How severe is CVE-2022-1975?: Medium severity. CVSS v3 base score is 5.5 out of 10.