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Linux Kernel Btrfs NULL Dereference Vulnerability in Inode Eviction Tracing

Vulnerability

A vulnerability in the Linux kernel's Btrfs file system can lead to a NULL dereference when tracing inode eviction. This issue occurs because the root ID may be NULL during the eviction process, causing a crash. The vulnerability affects the stable versions of the Linux kernel.

Impact

Exploitation of this vulnerability can cause a kernel panic due to a NULL pointer dereference, leading to a denial of service.

Remediation

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

Added: Jan 31, 2026, 12:37 PM
Updated: Jan 31, 2026, 12:37 PM

Vulnerability Rating

Custom Algorithm
spread
9.0
impact
2.5
exploitability
3.5
remediation
7.7
relevance
2.5
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.