Use After Free in Linux Kernel

CVE-2022-1974

A use-after-free flaw was found in the Linux kernel's NFC core functionality due to a race condition between kobject creation and delete. This vulnerability allows a local attacker with CAP_NET_ADMIN privilege to leak kernel information.

Vulnerability class: Use-After-Free

Published · last modified .

CVSS v3 metric

CVSS v3 base score 4.1 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.001 (3.4th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 3rd percentile — 3.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2022-1974: held from 0.001 to 0.001.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: 0.000

Affected products

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

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2022-1974?
CVE-2022-1974 is a medium-severity vulnerability in Linux Kernel, classified under Use After Free. CVSS score: 4.1/10. Published 2022-08-31.
How severe is CVE-2022-1974?
Medium severity. CVSS v3 base score is 4.1 out of 10.