Cloud Vulnerability DB
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Vulnerability DatabaseCVE-2025-37829
CVE-2025-37829:
Linux Kernel vulnerability analysis and mitigation
Overview
CVE-2025-37829 affects the Linux kernel's cpufreq SCPI driver, discovered and disclosed on May 8, 2025. The vulnerability exists in the scpicpufreqgetrate() function where it fails to check for NULL return values from cpufreqcpugetraw() when the target CPU is not present in the policy->cpus mask (Wiz Report).
Technical details
The vulnerability stems from a NULL pointer dereference in the scpicpufreqgetrate() function of the Linux kernel's SCPI cpufreq driver. The issue occurs when cpufreqcpugetraw() returns NULL in cases where the target CPU is not present in the policy->cpus mask. The function scpicpufreqget_rate() does not properly validate this return value before dereferencing it (Wiz Report).
Impact
When exploited, this vulnerability can lead to a kernel crash due to the NULL pointer dereference, potentially causing system instability or denial of service (Wiz Report).
Mitigation and workarounds
The vulnerability has been resolved in the Linux kernel through a patch that adds proper NULL pointer checking in the scpicpufreqget_rate() function. Users should update to the patched kernel version when available (Wiz Report).
Additional resources
Source: This report was generated using AI
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