Infinite Loop Vulnerability in Linux Kernel for EROFS Subpage Compact Indexes

CVE-2025-68251

What is CVE-2025-68251?

This vulnerability in the Linux kernel can lead to an infinite loop when processing corrupted subpage compact indexes with specific crafted images. An improperly calculated clusterofs can exceed lclustersize, compromising the integrity of the system and potentially causing denial of service. The fix ensures a comprehensive check in the loading process of compact indexes to prevent this loop from occurring, enhancing system stability and security.

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