CVE-2023-2513

kernel: ext4: use-after-free in ext4_xattr_set_entry()

Published May 8, 2023 CVSS 3.1 · 6.7 Medium EPSS < 1% KEV · Not listed
Description
A use-after-free vulnerability was found in the Linux kernel's ext4 filesystem in the way it handled the extra inode size for extended attributes. This flaw could allow a privileged local user to cause a system crash or other undefined behaviors.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2023-33995 A use-after-free vulnerability was found in the Linux kernel's ext4 filesystem in the way it handled the extra inode size for extended attributes. This flaw could allow a privileged local user to cause a system crash or other undefined behaviors.
Ubuntu USN Ubuntu USN USN-6254-1 Linux kernel vulnerabilities
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
Apr 23, 2025, 4:21 PM
Reserved
May 4, 2023, 12:00 AM
Status
Modified
Published
May 8, 2023, 9:15 PM
Modified
Jun 17, 2026, 5:52 AM
Severity
Moderate
Public date
Jun 14, 2022, 12:00 AM