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Linux Kernel Open Tree Attribute ID-Mapping Change Vulnerability

Vulnerability

A vulnerability in the Linux kernel's handling of ID mappings for detached mounts has been identified. The issue arises from a bug that allows users to change ID mappings without the necessary precautions, potentially leading to use-after-free and locking problems. This vulnerability affects Linux kernel versions 6.15 and later.

Impact

Exploiting this vulnerability could lead to use-after-free and locking issues, similar to those described in the related merge commit.

Remediation

Users can upgrade to the latest version of the Linux kernel to address this vulnerability.

Added: Sep 5, 2025, 7:17 PM
Updated: Sep 5, 2025, 7:17 PM

Vulnerability Rating

Custom Algorithm
spread
9.0
impact
0.6
exploitability
5.3
remediation
7.7
relevance
0.5
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.