CVE-2023-53262
Linux Debian vulnerability analysis and mitigation

Overview

CVE-2023-53262 is a vulnerability discovered in the Linux kernel, specifically affecting the F2FS (Flash-Friendly File System) decompression path. The issue was identified and reported on September 15, 2025, involving a scheduling while atomic condition in the decompression path (NVD).

Technical details

The vulnerability manifests as a scheduling bug in the F2FS decompression path, which can lead to system instability. The issue occurs during the decompression process when atomic operations are incorrectly scheduled. This is evidenced by the call trace showing the problem originates in the f2fsdecompresscluster function and propagates through various kernel subsystems including buffer management and I/O operations (NVD).

Impact

The vulnerability can cause system instability and potential kernel crashes when the F2FS file system is under specific decompression operations. This could lead to system availability issues and potential data access interruptions (NVD).

Additional resources


SourceThis report was generated using AI

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