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CVE-2023-1390

HIGH CVSS: 7.5 Published: 2023-03-16 Modified: 2026-06-17

Description

A remote denial of service vulnerability was found in the Linux kernel’s TIPC kernel module. The while loop in tipc_link_xmit() hits an unknown state while attempting to parse SKBs, which are not in the queue. Sending two small UDP packets to a system with a UDP bearer results in the CPU utilization for the system to instantly spike to 100%, causing a denial of service condition.

Affected Platforms

Linux Linux Kernel

Weakness Type

CWE-1050, NVD-CWE-Other

References