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CVE-2019-19045

Description

A memory leak in the mlx5_fpga_conn_create_cq() function in drivers/net/ethernet/mellanox/mlx5/core/fpga/conn.c in the Linux kernel before 5.3.11 allows attackers to cause a denial of service (memory consumption) by triggering mlx5_vector2eqn() failures, aka CID-c8c2a057fdc7.

POC

Reference

- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.3.11

- https://github.com/torvalds/linux/commit/c8c2a057fdc7de1cd16f4baa51425b932a42eb39

- https://usn.ubuntu.com/4225-2/

- https://usn.ubuntu.com/4227-1/

Github

No PoCs found on GitHub currently.