CVE-2025-37948

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

20/05/2025

Last modified:

18/12/2025

Description

In the Linux kernel, the following vulnerability has been resolved: arm64: bpf: Add BHB mitigation to the epilogue for cBPF programs A malicious BPF program may manipulate the branch history to influence what the hardware speculates will happen next. On exit from a BPF program, emit the BHB mititgation sequence. This is only applied for &#39;classic&#39; cBPF programs that are loaded by seccomp.

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::::::::		5.10.239 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.11 (including)	5.15.186 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.16 (including)	6.1.139 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	6.2 (including)	6.6.91 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	6.7 (including)	6.12.29 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	6.13 (including)	6.14.7 (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-2025-37948

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools