CVE-2019-18885: Linux Kernel

Medium severity, CVSS 5.5. EPSS: 1.2% chance of exploitation in the next 30 days.

fs/btrfs/volumes.c in the Linux kernel before 5.1 allows a btrfs_verify_dev_extents NULL pointer dereference via a crafted btrfs image because fs_devices->devices is mishandled within find_device, aka CID-09ba3bc9dd15.

Affected products

• Linux Linux Kernel: before 5.1 (fixed in 5.1)

Published 2019-11-14. Last modified 2026-06-17.