CVE-2021-46934

kernel: i2c: validate user data in compat ioctl

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Severity

Low

Red Hat Product Security

4.4

CVSS 3.1

Review impact separately from score.

Published · February 27, 2024

Updated · October 29, 2026

Description

In the Linux kernel, the following vulnerability has been resolved:

i2c: validate user data in compat ioctl

Wrong user data may cause warning in i2c_transfer(), ex: zero msgs. Userspace should not be able to trigger warnings, so this patch adds validation checks for user data in compact ioctl to prevent reported warnings

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 · 4.4
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

CWE-703 · Improper Check or Handling of Exceptional Conditions