VULNERABILITY INTELLIGENCE

CVE-2019-19036

CVSS score5.5 MEDIUM
EPSS probability1.84%
CISA KEVNot currently listed
Published2019-11-21
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Description

btrfs_root_node in fs/btrfs/ctree.c in the Linux kernel through 5.3.12 allows a NULL pointer dereference because rcu_dereference(root->node) can be zero.

Weakness classification

  • nvd@nist.gov: CWE-476

Primary references