CVE-2023-1252

Public on 2023-03-09
Modified on 2024-02-03
Description
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.
Severity
Important severity
Important
CVSS v3 Base Score
7.0
See breakdown

Affected Packages

Platform Package Release Date Advisory Status
Amazon Linux 1 kernel Not Affected
Amazon Linux 2 - Kernel-5.10 Extra kernel 2024-02-01 ALAS2KERNEL-5.10-2024-049 Fixed
Amazon Linux 2023 kernel Not Affected

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD CVSSv3 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H