---
id: CVE-2025-37830
title: 'cpufreq: scmi: Fix null-ptr-deref in scmi_cpufreq_get_rate()'
summary: |-
  In the Linux kernel, the following vulnerability has been resolved:

  cpufreq: scmi: Fix null-ptr-deref in scmi_cpufreq_get_rate()

  cpufreq_cpu_get_raw() can return NULL when the target CPU is not present
  in the policy->cpus mask. scmi_cp…
severity: none
vendor: Linux
product: Linux
affected:
  - >-
    Linux >= 99d6bdf3387734d75e3e34e94a58b8a355b7a9c8 <
    bd1dcfba72aac4159c1d5e17cd861e702e6c19ac
  - >-
    Linux >= 99d6bdf3387734d75e3e34e94a58b8a355b7a9c8 <
    4e3d1c1925d8e752992cd893d03d974e6807ac16
  - >-
    Linux >= 99d6bdf3387734d75e3e34e94a58b8a355b7a9c8 <
    f9c5423855e3687262d881aeee5cfb3bc8577bff
  - >-
    Linux >= 99d6bdf3387734d75e3e34e94a58b8a355b7a9c8 <
    ea834c90aa7cc80a1b456f7a91432734d5087d16
  - >-
    Linux >= 99d6bdf3387734d75e3e34e94a58b8a355b7a9c8 <
    7ccfadfb2562337b4f0462a86a9746a6eea89718
  - >-
    Linux >= 99d6bdf3387734d75e3e34e94a58b8a355b7a9c8 <
    cfaca93b8fe317b7faa9af732e0ba8c9081fa018
  - >-
    Linux >= 99d6bdf3387734d75e3e34e94a58b8a355b7a9c8 <
    484d3f15cc6cbaa52541d6259778e715b2c83c54
  - Linux 4.17
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-11-05T20:41:34.072054Z'
published: '2025-05-08'
updated: '2026-11-05'
sourceUpdated: '2026-11-05T20:41:55.571Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2025-37830'
references:
  - url: 'https://git.kernel.org/stable/c/bd1dcfba72aac4159c1d5e17cd861e702e6c19ac'
  - url: 'https://git.kernel.org/stable/c/4e3d1c1925d8e752992cd893d03d974e6807ac16'
  - url: 'https://git.kernel.org/stable/c/f9c5423855e3687262d881aeee5cfb3bc8577bff'
  - url: 'https://git.kernel.org/stable/c/ea834c90aa7cc80a1b456f7a91432734d5087d16'
  - url: 'https://git.kernel.org/stable/c/7ccfadfb2562337b4f0462a86a9746a6eea89718'
  - url: 'https://git.kernel.org/stable/c/cfaca93b8fe317b7faa9af732e0ba8c9081fa018'
  - url: 'https://git.kernel.org/stable/c/484d3f15cc6cbaa52541d6259778e715b2c83c54'
tags:
  - cve.org
epss: 0.00191
epssPercentile: 0.08838
ingestedAt: '2026-11-05T22:38:31.875Z'
---

## Overview

In the Linux kernel, the following vulnerability has been resolved:

cpufreq: scmi: Fix null-ptr-deref in scmi_cpufreq_get_rate()

cpufreq_cpu_get_raw() can return NULL when the target CPU is not present
in the policy->cpus mask. scmi_cpufreq_get_rate() does not check for
this case, which results in a NULL pointer dereference.

Add NULL check after cpufreq_cpu_get_raw() to prevent this issue.

## Affected

- `Linux >= 99d6bdf3387734d75e3e34e94a58b8a355b7a9c8 < bd1dcfba72aac4159c1d5e17cd861e702e6c19ac`
- `Linux >= 99d6bdf3387734d75e3e34e94a58b8a355b7a9c8 < 4e3d1c1925d8e752992cd893d03d974e6807ac16`
- `Linux >= 99d6bdf3387734d75e3e34e94a58b8a355b7a9c8 < f9c5423855e3687262d881aeee5cfb3bc8577bff`
- `Linux >= 99d6bdf3387734d75e3e34e94a58b8a355b7a9c8 < ea834c90aa7cc80a1b456f7a91432734d5087d16`
- `Linux >= 99d6bdf3387734d75e3e34e94a58b8a355b7a9c8 < 7ccfadfb2562337b4f0462a86a9746a6eea89718`
- `Linux >= 99d6bdf3387734d75e3e34e94a58b8a355b7a9c8 < cfaca93b8fe317b7faa9af732e0ba8c9081fa018`
- `Linux >= 99d6bdf3387734d75e3e34e94a58b8a355b7a9c8 < 484d3f15cc6cbaa52541d6259778e715b2c83c54`
- `Linux 4.17`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.