CVE-2019-19378: Linux Kernel

High severity, CVSS 7.8. EPSS: 2.4% chance of exploitation in the next 30 days.

In the Linux kernel 5.0.21, mounting a crafted btrfs filesystem image can lead to slab-out-of-bounds write access in index_rbio_pages in fs/btrfs/raid56.c.

Affected products

• Linux Linux Kernel: version 5.0.21 only

Published 2019-11-29. Last modified 2026-06-17.