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Vulnerability DatabaseCVE-2025-39794
CVE-2025-39794:
Linux Kernel vulnerability analysis and mitigation
Overview
CVE-2025-39794 was disclosed on September 12, 2025, affecting the Linux kernel. The vulnerability is related to the ARM Tegra platform's IRAM memory handling, specifically involving the use of memcpy operations (NVD).
Technical details
The vulnerability occurs when Kasan (Kernel Address Sanitizer) attempts to check memory boundaries during normal memcpy operations when writing to IRAM in the ARM Tegra platform. This causes the kernel to crash, indicating a potential memory safety issue (NVD).
Impact
When exploited, this vulnerability can cause kernel crashes, potentially leading to system instability and denial of service on affected ARM Tegra systems (NVD).
Mitigation and workarounds
The issue has been resolved by implementing I/O memcpy for writing to IRAM instead of using normal memcpy operations. This change prevents Kasan from crashing the kernel during boundary checks (NVD).
Additional resources
Source: This report was generated using AI
Related Linux Kernel vulnerabilities:
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