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Linux Kernel Dell RBU NULL Pointer Dereference Vulnerability

Vulnerability

A vulnerability in the Linux kernel's handling of the Dell RBU (Remote BIOS Update) feature can lead to a NULL pointer dereference. This issue arises from incorrect list management when processing packet data via sysfs. The vulnerability affects several versions of the Linux kernel.

Impact

Exploitation of this vulnerability causes a NULL pointer dereference, leading to a crash of the affected system.

Added: Jul 4, 2025, 3:32 PM
Updated: Jul 4, 2025, 3:32 PM

Vulnerability Rating

Custom Algorithm
spread
9.0
impact
2.5
exploitability
4.0
remediation
7.7
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.