CVE-2021-47474: Linux Kernel

High severity, CVSS 7.8. EPSS: 0.3% chance of exploitation in the next 30 days.

In the Linux kernel, the following vulnerability has been resolved: comedi: vmk80xx: fix bulk-buffer overflow The driver is using endpoint-sized buffers but must not assume that the tx and rx buffers are of equal size or a malicious device could overflow the slab-allocated receive buffer when doing bulk transfers.

Affected products

• Linux Linux Kernel: from 2.6.31, before 4.4.292 (fixed in 4.4.292); from 4.5, before 4.9.290 (fixed in 4.9.290); from 4.10, before 4.14.255 (fixed in 4.14.255); from 4.15, before 4.19.217 (fixed in 4.19.217); from 4.20, before 5.4.159 (fixed in 5.4.159); from 5.5, before 5.10.79 (fixed in 5.10.79); …

Published 2024-05-22. Last modified 2026-06-17.