CVE Details

Release Date:2021-11-15


A use-after-free flaw was found in the Linux kernel's Ext4 File System in how a user triggers several file operations simultaneously with the overlay FS usage. This flaw allows a local user to crash or potentially escalate their privileges on the system. Only if patch 9a2544037600 ('ovl: fix use after free in struct ovl_aio_req') not applied yet, the kernel could be affected.

See more information about CVE-2023-1252 from MITRE CVE dictionary and NIST NVD

CVSS v3.0 metrics

NOTE: The following CVSS v3.0 metrics and score provided are preliminary and subject to review.

Base Score: 7 Base Metrics: AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Access Vector: Local network Attack Complexity: High
Privileges Required: Low User Interaction: None
Scope: Unchanged Confidentiality Impact: High
Integrity Impact: High Availability Impact: High

Errata information

PlatformErrataRelease Date
Oracle Linux version 8 (kernel)ELSA-2023-70772023-11-17
Oracle Linux version 9 (kernel)ELSA-2023-65832023-11-12

This page is generated automatically and has not been checked for errors or omissions. For clarification or corrections please contact the Oracle Linux ULN team