CVE-2023-4389

Kernel: btrfs: double free in btrfs_get_root_ref()

Published Aug 16, 2023 CVSS 3.1 · 7 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2023-54253 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.
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
redhat
Published
Updated
Oct 15, 2024, 6:32 PM
Reserved
Aug 16, 2023, 5:48 PM
Status
Modified
Published
Aug 16, 2023, 7:15 PM
Modified
Jun 17, 2026, 6:37 AM
Severity
Moderate
Public date
Mar 24, 2022, 12:00 AM