CVE-2025-38095

Severity CVSS v4.0:

Pending analysis

Type:

CWE-476 NULL Pointer Dereference

Publication date:

03/07/2025

Last modified:

16/12/2025

Description

In the Linux kernel, the following vulnerability has been resolved: dma-buf: insert memory barrier before updating num_fences smp_store_mb() inserts memory barrier after storing operation. It is different with what the comment is originally aiming so Null pointer dereference can be happened if memory update is reordered.

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::::::::	5.0 (including)	5.10.241 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.11 (including)	5.15.192 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.16 (including)	6.1.140 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	6.2 (including)	6.6.92 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	6.7 (including)	6.12.30 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	6.13 (including)	6.14.8 (excluding)
cpe:2.3:o:linux:linux_kernel:6.15:rc1::::::
cpe:2.3:o:linux:linux_kernel:6.15:rc2::::::
cpe:2.3:o:linux:linux_kernel:6.15:rc3::::::
cpe:2.3:o:linux:linux_kernel:6.15:rc4::::::
cpe:2.3:o:linux:linux_kernel:6.15:rc5::::::
cpe:2.3:o:linux:linux_kernel:6.15:rc6::::::
cpe:2.3:o:debian:debian_linux:11.0:::::::*

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

CVE-2025-38095

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools