VULNERABILITY INTELLIGENCE

CVE-2023-4389

CVSS score7 HIGH
EPSS probability0.25%
CISA KEVNot currently listed
Published2023-08-16
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Description

A flaw was found in btrfs_get_root_ref in fs/btrfs/disk-io.c in the btrfs filesystem in the Linux Kernel due to a double decrement of the reference count. This issue may allow a local attacker with user privilege to crash the system or may lead to leaked internal kernel information.

Weakness classification

  • secalert@redhat.com: CWE-415
  • nvd@nist.gov: CWE-415

Primary references