CVE-2026-46197

Severity CVSS v4.0:

Pending analysis

Type:

CWE-787 Out-of-bounds Write

Publication date:

28/05/2026

Last modified:

10/06/2026

Description

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: validate SVM ioctl nattr against buffer size Validate nattr field against the buffer size, preventing out-of-bounds buffer access via user-controlled attribute count. (cherry picked from commit 5eca8bfdfa456c3304ca77523718fe24254c172f)

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::::::::	5.14 (including)	5.15.209 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.16 (including)	6.1.175 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	6.2 (including)	6.6.140 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	6.7 (including)	6.12.90 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	6.13 (including)	6.18.32 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	6.19 (including)	7.0.9 (excluding)
cpe:2.3:o:linux:linux_kernel:7.1:rc1::::::

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

CVE-2026-46197

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools