CVE-2025-38408

Severity CVSS v4.0:

Pending analysis

Type:

CWE-476 NULL Pointer Dereference

Publication date:

25/07/2025

Last modified:

06/02/2026

Description

In the Linux kernel, the following vulnerability has been resolved: genirq/irq_sim: Initialize work context pointers properly Initialize `ops` member&#39;s pointers properly by using kzalloc() instead of kmalloc() when allocating the simulation work context. Otherwise the pointers contain random content leading to invalid dereferencing.

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::::::::	5.8 (including)	6.12.37 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	6.13 (including)	6.15.6 (excluding)
cpe:2.3:o:linux:linux_kernel:6.16:rc1::::::
cpe:2.3:o:linux:linux_kernel:6.16:rc2::::::

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

CVE-2025-38408

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools