CVE-2025-21687

Severity CVSS v4.0:

Pending analysis

Type:

CWE-125 Out-of-bounds Read

Publication date:

10/02/2025

Last modified:

13/03/2025

Description

In the Linux kernel, the following vulnerability has been resolved: vfio/platform: check the bounds of read/write syscalls count and offset are passed from user space and not checked, only offset is capped to 40 bits, which can be used to read/write out of bounds of the device.

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::::::::	4.1 (including)	5.4.290 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.5 (including)	5.10.234 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.11 (including)	5.15.178 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.16 (including)	6.1.128 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	6.2 (including)	6.6.75 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	6.7 (including)	6.12.12 (excluding)
cpe:2.3:o:linux:linux_kernel:6.13:-::::::
cpe:2.3:o:linux:linux_kernel:6.13:rc1::::::
cpe:2.3:o:linux:linux_kernel:6.13:rc2::::::
cpe:2.3:o:linux:linux_kernel:6.13:rc3::::::
cpe:2.3:o:linux:linux_kernel:6.13:rc4::::::
cpe:2.3:o:linux:linux_kernel:6.13:rc5::::::
cpe:2.3:o:linux:linux_kernel:6.13:rc6::::::
cpe:2.3:o:linux:linux_kernel:6.13:rc7::::::

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

CVE-2025-21687

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools