CVE-2025-37948

MEDIUM EPSS 5.4%
Published May 20, 20251y ago · Modified Jun 17, 20261w ago
5.5 CVSS 3.1
Medium
Find Similar
Published May 20, 2025 1y ago
Last Modified Jun 17, 2026 1w ago

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 'classic' cBPF programs that are loaded by seccomp.

CVSS Details

Base Score
5.5
Exploitability
1.8
Impact
3.6
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
5.4% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Affected Products 13

VendorProductVersionRange
linuxlinux_kernel* <5.10.239
linuxlinux_kernel*≥5.11  –  <5.15.186
linuxlinux_kernel*≥5.16  –  <6.1.139
linuxlinux_kernel*≥6.2  –  <6.6.91
linuxlinux_kernel*≥6.7  –  <6.12.29
linuxlinux_kernel*≥6.13  –  <6.14.7
linuxlinux_kernel6.15any
linuxlinux_kernel6.15any
linuxlinux_kernel6.15any
linuxlinux_kernel6.15any
linuxlinux_kernel6.15any
linuxlinux_kernel6.15any
debiandebian_linux11.0any

References 9

  • git.kernel.org https://git.kernel.org/stable/c/0dfefc2ea2f29ced2416017d7e5b1253a54c2735
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/38c345fd54afd9d6ed8d3fcddf3f6ea23887bf78
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/42a20cf51011788f04cf2adbcd7681f02bdb6c27
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/852b8ae934b5cbdc62496fa56ce9969aa2edda7f
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/8fe5c37b0e08a97cf0210bb75970e945aaaeebab
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/993f63239c219696aef8887a4e7d3a16bf5a8ece
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/c6a8735d841bcb7649734bb3a787bb174c67c0d8
    Patch
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2025/08/msg00010.html
    Third Party Advisory
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html
    Third Party Advisory

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/0dfefc2ea2f29ced2416017d7e5b1253a54c2735
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/38c345fd54afd9d6ed8d3fcddf3f6ea23887bf78
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/42a20cf51011788f04cf2adbcd7681f02bdb6c27
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/852b8ae934b5cbdc62496fa56ce9969aa2edda7f
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/8fe5c37b0e08a97cf0210bb75970e945aaaeebab
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/993f63239c219696aef8887a4e7d3a16bf5a8ece
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/c6a8735d841bcb7649734bb3a787bb174c67c0d8
    Patch