CVE-2021-47070: 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: uio_hv_generic: Fix another memory leak in error handling paths Memory allocated by 'vmbus_alloc_ring()' at the beginning of the probe function is never freed in the error handling path. Add the missing 'vmbus_free_ring()' call. Note that it is already freed in the .remove function.

Affected products

• Linux Linux Kernel: from 4.20, before 5.12.7 (fixed in 5.12.7); version 5.13 only

Published 2024-03-01. Last modified 2026-06-17.