🛡️ CVE-2023-39189
🟡 CVSS 5.1 — Medium ✅ No Known Exploit CWE-125 NVD
5.1
CVSS Score
0 Low4 Medium7 High9 Critical10

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.

Details

Severity MEDIUM
CVSS Score 5.1
CVSS Vector CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:L
CWE CWE-125
Public Exploit ✅ No
Source NVD
Published 2023-10-09
Updated 2026-06-08
Modified 2024-11-21

Affected Packages

Software From version Fixed in
enterprise-linux
fedora
linux-kernel 6.6

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