CVE-2023-53044

Severity CVSS v4.0:

Pending analysis

Type:

CWE-476 NULL Pointer Dereference

Publication date:

02/05/2025

Last modified:

12/11/2025

Description

In the Linux kernel, the following vulnerability has been resolved: dm stats: check for and propagate alloc_percpu failure Check alloc_precpu()&#39;s return value and return an error from dm_stats_init() if it fails. Update alloc_dev() to fail if dm_stats_init() does. Otherwise, a NULL pointer dereference will occur in dm_stats_cleanup() even if dm-stats isn&#39;t being actively used.

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::::::::	3.12 (including)	4.14.312 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	4.15 (including)	4.19.280 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	4.20 (including)	5.4.240 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.5 (including)	5.10.177 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.11 (including)	5.15.105 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.16 (including)	6.1.22 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	6.2 (including)	6.2.9 (excluding)
cpe:2.3:o:linux:linux_kernel:6.3:rc1::::::
cpe:2.3:o:linux:linux_kernel:6.3:rc2::::::
cpe:2.3:o:linux:linux_kernel:6.3:rc3::::::

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

CVE-2023-53044

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools