CVE-2021-46934

Low

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

Package Linux Kernel
Published 2024-02-27
Last modified 2024-11-21
CVSS version 3.1
Patch available
Yes

CVSS 3.1 score

3.3

out of 10
Low
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Weakness type

CWE-754

CVE-2021-46934 is classified as CWE-754

See CWE-754 on MITRE CWE for full details on this weakness type.

Affected versions

Linux kernel versions 4.15 and later are affected. Fixed in 4.19.224, 5.4.170, 5.10.90, 5.15.13, 5.16 and their respective stable series.

Affected from
≥ 4.15
Fixed in
✓ 4.19.224 4.19.x ✓ 5.4.170 5.4.x ✓ 5.10.90 5.10.x ✓ 5.15.13 5.15.x ✓ 5.16

Frequently asked questions

  • What is CVE-2021-46934?

    CVE-2021-46934 is a Low severity Linux kernel vulnerability with a CVSS score of 3.3 out of 10 . It affects Linux kernel versions from 4.15 onward and has been patched in 4.19.224, 5.4.170, 5.10.90 and others. CVE-2021-46934 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • What is the CVSS score for CVE-2021-46934?

    CVE-2021-46934 has a CVSS score of 3.3 out of 10, rated Low severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N .

  • Is there a patch available for CVE-2021-46934?

    Yes. CVE-2021-46934 has been patched. Fixed versions include 4.19.224, 5.4.170, 5.10.90 and others. If you are running Linux kernel 4.15 or later up to the fix versions, apply the relevant patch for your kernel branch.

  • Is CVE-2021-46934 actively exploited?

    No. CVE-2021-46934 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.