CVE-2025-38676

Severity CVSS v4.0:

Pending analysis

Type:

CWE-787 Out-of-bounds Write

Publication date:

26/08/2025

Last modified:

08/01/2026

Description

In the Linux kernel, the following vulnerability has been resolved: iommu/amd: Avoid stack buffer overflow from kernel cmdline While the kernel command line is considered trusted in most environments, avoid writing 1 byte past the end of "acpiid" if the "str" argument is maximum length.

Impact

Vector 3.x

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

Base Score: 7.80 HIGH
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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

Base Score 3.x

7.80

Severity 3.x

HIGH

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:o:linux:linux_kernel::::::::	5.4.237 (including)	5.5 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.10.175 (including)	5.10.241 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.15.103 (including)	5.15.190 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	6.1.16 (including)	6.1.149 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	6.2.3 (including)	6.6.103 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	6.7 (including)	6.12.44 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	6.13 (including)	6.16.4 (excluding)
cpe:2.3:o:linux:linux_kernel:6.17:rc1::::::
cpe:2.3:o:linux:linux_kernel:6.17:rc2::::::
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-2025-38676

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools