CVE-2019-19047: Canonical Ubuntu Linux

Medium severity, CVSS 5.5. EPSS: 0.5% chance of exploitation in the next 30 days.

A memory leak in the mlx5_fw_fatal_reporter_dump() function in drivers/net/ethernet/mellanox/mlx5/core/health.c in the Linux kernel before 5.3.11 allows attackers to cause a denial of service (memory consumption) by triggering mlx5_crdump_collect() failures, aka CID-c7ed6d0183d5.

Affected products

• Canonical Ubuntu Linux: version 18.04 only; version 19.10 only
• Linux Linux Kernel: before 5.3.11 (fixed in 5.3.11)

Published 2019-11-18. Last modified 2026-06-17.