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Linux Kernel SMC Proposal Message Vulnerability in Net/SMC Component

Vulnerability

A vulnerability has been identified in the Linux kernel's net/smc component, where the smcd_v2_ext_offset field in proposal messages received from remote clients is not fully trustworthy. If this offset exceeds a certain maximum value, it could lead to accessing incorrect memory addresses, potentially causing a crash. The vulnerability has been addressed by implementing a check on the smcd_v2_ext_offset value before it is used.

Impact

Exploitation of this vulnerability could lead to a system crash.

Added: Jun 9, 2025, 7:46 PM
Updated: Jun 9, 2025, 7:46 PM

Vulnerability Rating

Custom Algorithm
spread
9.0
impact
2.5
exploitability
5.3
remediation
0.0
relevance
0.0
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.