CVE-2021-47501: Linux Kernel

Medium severity, CVSS 5.5. EPSS: 0.2% chance of exploitation in the next 30 days.

In the Linux kernel, the following vulnerability has been resolved: i40e: Fix NULL pointer dereference in i40e_dbg_dump_desc When trying to dump VFs VSI RX/TX descriptors using debugfs there was a crash due to NULL pointer dereference in i40e_dbg_dump_desc. Added a check to i40e_dbg_dump_desc that checks if VSI type is correct for dumping RX/TX descriptors.

Affected products

• Linux Linux Kernel: from 3.12, before 5.10.85 (fixed in 5.10.85); from 5.11, before 5.15.8 (fixed in 5.15.8); version 5.16 only

Published 2024-05-24. Last modified 2026-06-17.