Linux Kernel EROFS Metadata Compression Folio Reference Leak Vulnerability

Vulnerability

A vulnerability in the Linux kernel's EROFS (Enhanced Read-Only File System) implementation has been addressed. Crafted EROFS images with metadata compression enabled can cause incorrect early exits during processing, leading to folio reference leaks. While this leak does not result in system crashes or other critical issues, it can cause resource management problems.

Impact

The vulnerability leads to folio reference leaks, which can cause resource management issues, although it does not crash the system or cause other severe problems.

Remediation

Users can apply the latest patch available in the Linux kernel stable tree to address this vulnerability.

Added: May 6, 2026, 3:22 PM
Updated: May 6, 2026, 3:22 PM

Vulnerability Rating

Custom Algorithm
spread
9.0
impact
0.6
exploitability
4.0
remediation
7.7
relevance
7.6
threat
3.2
urgency
2.9
incentive
0.0

Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.