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Linux Kernel OrangeFS File Size Truncation Vulnerability on 32-Bit Systems

Vulnerability

A vulnerability in the Linux kernel's OrangeFS implementation can lead to file size truncation on 32-bit systems. The issue arises because the 'len' variable, which stores the result of the file size read operation, is defined as a size_t type. This definition causes the file size to be truncated to 4 GiB.

Impact

Exploitation of this vulnerability results in incorrect file size handling, potentially causing data loss or corruption by truncating file sizes beyond 4 GiB.

Added: Jun 18, 2025, 10:49 AM
Updated: Jun 18, 2025, 10:49 AM

Vulnerability Rating

Custom Algorithm
spread
9.0
impact
0.6
exploitability
4.0
remediation
0.0
relevance
0.2
threat
3.2
urgency
2.9
incentive
1.7

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