CVE-2022-1974

kernel: use-after-free in /net/nfc/core.c causes kernel crash by simulating nfc device from user-space

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Severity

Moderate

Red Hat Product Security

6.8

CVSS 3.1

Review impact separately from score.

Published · May 1, 2022

Updated · November 3, 2026

Description

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.

Statement

There was no shipped kernel version that was seen affected by this problem. These files are not built in our source code.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 6.8
CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CWE-367 · Time-of-check Time-of-use (TOCTOU) Race Condition