Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2021-46934

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
27/02/2024
Last modified:
10/04/2024

Description

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> i2c: validate user data in compat ioctl<br /> <br /> Wrong user data may cause warning in i2c_transfer(), ex: zero msgs.<br /> Userspace should not be able to trigger warnings, so this patch adds<br /> validation checks for user data in compact ioctl to prevent reported<br /> warnings

Impact

Vector 3.x
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N CVSS v3.1 Severity and Metrics:

Base Score: 3.30 LOW
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): Low
Availability (A): None

Base Score 3.x
3.30
Severity 3.x
LOW

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 4.15.0 (including) 4.19.224 (excluding)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 4.20.0 (including) 5.4.170 (excluding)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 5.5.0 (including) 5.10.90 (excluding)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 5.11.0 (including) 5.15.13 (excluding)

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools