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CVE-2021-46934

Public on 2024-02-27
Modified on 2024-03-18
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

Severity
Medium
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CVSS v3 Base Score
4.4
See breakdown
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Affected Packages

Platform Package Release Date Advisory
Amazon Linux 2 - Kernel-5.10 Extra kernel 2022-01-26 00:57 ALAS2KERNEL-5.10-2022-009
Amazon Linux 2 - Kernel-5.4 Extra kernel 2022-01-26 00:54 ALAS2KERNEL-5.4-2022-021

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 4.4 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
NVD CVSSv3 3.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

References

Red Hat: CVE-2021-46934 Mitre: CVE-2021-46934 FAQs regarding Amazon Linux ALAS/CVE Severity