CVE-2023-3397 HIGH

CVE-2023-3397: Kernel: slab-use-after-free write in txend due to race condition

Vendor Red Hat
Product Red Hat Enterprise Linux 6
Weakness CWE-416
Published November 1, 2023
Last update November 20, 2025
View on NVD All CVEs

CVSS base score

7.0/10
Attack vector Local
Attack complexity High
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

A race condition occurred between the functions lmLogClose and txEnd in JFS, in the Linux Kernel, executed in different threads. This flaw allows a local attacker with normal user privileges to crash the system or leak internal kernel information.

Key dates

02Disclosure timeline

November 1, 2023 CVE published
November 20, 2025 Record updated