CVE-2023-39189

Updated: 2025-08-20 02:35:10.87655

Description:

A flaw was found in the Netfilter subsystem in the Linux kernel. The nfnl_osf_add_callback function did not validate the user mode controlled opt_num field. This flaw allows a local privileged (CAP_NET_ADMIN) attacker to trigger an out-of-bounds read, leading to a crash or information disclosure.


Links NIST CIRCL RHEL Ubuntu

Severity

Severity Score
CVSS Version 2.x 0.0
CVSS Version 3.x MEDIUM 6.0

Status

OS name Project name Version Score Severity Status Errata Last updated

Statement

AlmaLinux 9.2 ESU kernel 5.14.0 6.0 MEDIUM Released CLSA-2025:1743193221 2024-06-24 11:28:00
CentOS 6 ELS kernel 2.6.32 6.0 MEDIUM Ignored 2023-10-13 05:07:50 Ignored due to low severity
CentOS 7 ELS kernel 3.10.0 6.0 MEDIUM Ignored 2023-10-13 05:07:50 Ignored due to low severity
CentOS 8.4 ELS kernel 4.18.0 6.0 MEDIUM Ignored 2024-06-24 11:32:27 Ignored due to low severity
CentOS 8.5 ELS kernel 4.18.0 6.0 MEDIUM Ignored 2024-06-24 11:32:27 Ignored due to low severity
CentOS Stream 8 ELS kernel 4.18.0 6.0 MEDIUM Ignored 2024-05-10 14:19:04 Ignored due to low severity
CloudLinux 6 ELS kernel 2.6.32 6.0 MEDIUM Ignored 2023-10-13 05:07:51 Ignored due to low severity
Oracle Linux 6 ELS kernel 2.6.32 6.0 MEDIUM Ignored 2023-10-13 05:07:50 Ignored due to low severity
Ubuntu 16.04 ELS linux-hwe 4.15.0 6.0 MEDIUM Released CLSA-2023:1701279154 2023-11-29 13:13:37
Ubuntu 16.04 ELS linux 4.4.0 6.0 MEDIUM Released CLSA-2023:1701799960 2023-12-05 16:13:43
Total: 11