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Vulnerability DatabaseCVE-2025-38510
CVE-2025-38510:
Linux Debian vulnerability analysis and mitigation
Overview
A vulnerability (CVE-2025-38510) was discovered in the Linux kernel related to the KASAN (Kernel Address Sanitizer) functionality. The issue was disclosed on August 16, 2025, and involves a potential deadlock condition in the kasanfindvm_area() function (NVD).
Technical details
The vulnerability stems from a race condition where findvmarea() cannot be called in atomic context. The issue manifests when findvmarea() is called to report vm area information, potentially triggering a deadlock scenario. The deadlock occurs in a specific sequence: CPU0 executes vmalloc() and allocvmaparea() with spinlock(&vn->busy.lock), while CPU1 holds spinlockbh(&somelock) and attempts to execute kasan_report(), leading to a deadlock situation (NVD).
Impact
The vulnerability can result in system deadlocks, potentially affecting system stability and availability. When triggered, it can cause the affected system to become unresponsive due to the deadlock condition in the kernel's memory management subsystem (NVD).
Mitigation and workarounds
The vulnerability has been resolved by removing the kasanfindvm_area() function to prevent the possible deadlock condition. This modification eliminates the potential race condition that could lead to the deadlock scenario (NVD).
Additional resources
Source: This report was generated using AI
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