CVE-2026-64429
Description
A flaw was found in the Linux kernel. The Spreadtrum EIC (External Interrupt Controller) driver incorrectly uses a standard spinlock in a critical interrupt handling path. When running on a PREEMPT_RT (Preemptible Real-Time) kernel, this can cause the system to attempt to sleep in an invalid context. This issue can lead to a kernel panic, resulting in a Denial of Service (DoS) for the affected system.
Understanding the Weakness (CWE)
Integrity,Confidentiality,Other
Technical Impact: Modify Memory; Read Memory; Modify Application Data; Read Application Data; Alter Execution Logic
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