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PRIOn knowledge basePRION:CVE-2023-1390HistoryMar 16, 2023 - 9:15 p.m.
Race condition
2023-03-1621:15:00
PRIOn knowledge base
www.prio-n.com
9
linux kernel
tipc module
remote denial of service
race condition
udp packets
cpu utilization
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.
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