CVE-2023-4389

HIGH

Linux Kernel - Info Disclosure

Title source: llm

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.

Scores

CVSS v3 7.0
EPSS 0.0002
EPSS Percentile 3.9%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Classification

CWE
CWE-415
Status published

Affected Products (1)

linux/linux_kernel < 5.10.112

Timeline

Published Aug 16, 2023
Tracked Since Feb 18, 2026