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CVE-2018-14734

Description

drivers/infiniband/core/ucma.c in the Linux kernel through 4.17.11 allows ucma_leave_multicast to access a certain data structure after a cleanup step in ucma_process_join, which allows attackers to cause a denial of service (use-after-free).

POC

Reference

- https://usn.ubuntu.com/3797-2/

- https://usn.ubuntu.com/3847-2/

Github

- https://github.com/ARPSyndicate/cvemon