What’s Vulnerable › Vulnerabilities
CVE-2025-37829: cpufreq: scpi: Fix null-ptr-deref in scpi_cpufreq_get_rate()
- Severity: medium (CVSS 5.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.2% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2025-05-08 · updated 2026-06-17
- Weakness: CWE-476
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.
Affected products
- Debian Linux: 11.0
- Linux kernel: from 4.16 before 5.4.293; from 5.5 before 5.10.237; from 5.11 before 5.15.181; from 5.16 before 6.1.136; from 6.2 before 6.6.89; from 6.7 before 6.12.26 — fixed in 5.10.237, 5.15.181, 5.4.293, 6.1.136, 6.12.26, 6.14.5
How to fix
Upgrade to a fixed version: Linux kernel 5.10.237, 5.15.181, 5.4.293, 6.1.136. Check the vendor advisory for mitigations.
References
- https://git.kernel.org/stable/c/124bddf123311cd1f18bffd63a5d974468d59c67
- https://git.kernel.org/stable/c/19e0eaa62e8831f2bc0285fef3bf8faaa7f3e09b
- https://git.kernel.org/stable/c/28fbd7b13b4d3074b16db913aedc9d8d37ab41e7
- https://git.kernel.org/stable/c/73b24dc731731edf762f9454552cb3a5b7224949
- https://git.kernel.org/stable/c/8fbaa76690f67a7cbad315f89d607b46e3e06ede
- https://git.kernel.org/stable/c/ad4796f2da495b2cbbd0fccccbcbf63f2aeee613
- https://git.kernel.org/stable/c/da8ee91e532486055ecf88478d38c2f3dc234182
- https://git.kernel.org/stable/c/fdf035d9c5436536ffcfea0ac6adeb5dda3c3a23
- https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html
- https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html
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