CVE-2025-21975

Severity CVSS v4.0:

Pending analysis

Type:

CWE-476 NULL Pointer Dereference

Publication date:

01/04/2025

Last modified:

03/11/2025

Description

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: handle errors in mlx5_chains_create_table() In mlx5_chains_create_table(), the return value of mlx5_get_fdb_sub_ns() and mlx5_get_flow_namespace() must be checked to prevent NULL pointer dereferences. If either function fails, the function should log error message with mlx5_core_warn() and return error pointer.

Impact

Vector 3.x

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

Base Score: 5.50 MEDIUM
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

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

Base Score 3.x

5.50

Severity 3.x

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:o:linux:linux_kernel::::::::	5.6 (including)	5.10.236 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.11 (including)	5.15.180 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.16 (including)	6.1.132 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	6.2 (including)	6.6.84 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	6.7 (including)	6.12.20 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	6.13 (including)	6.13.8 (excluding)
cpe:2.3:o:linux:linux_kernel:6.14:rc1::::::
cpe:2.3:o:linux:linux_kernel:6.14:rc2::::::
cpe:2.3:o:linux:linux_kernel:6.14:rc3::::::
cpe:2.3:o:linux:linux_kernel:6.14:rc4::::::
cpe:2.3:o:linux:linux_kernel:6.14:rc5::::::
cpe:2.3:o:linux:linux_kernel:6.14:rc6::::::

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

CVE-2025-21975

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools