CVEvulnerability

CVE-2023-39189

6.0 MEDIUM Published 2023-10-09 Modified 2026-10-15 Official page ↗
Status
Modified
Published
2023-10-09
Last modified
2026-10-15
Assigner
[email protected]
CVSS 3.1 ([email protected])
5.1 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:L
CVSS 3.1 ([email protected])
6.0 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H
Weaknesses
CWE-125

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.

Affected configurations

• linux linux kernel (< 6.6) • redhat enterprise linux 8.0 • redhat enterprise linux 9.0 • fedoraproject fedora 38

Related

Weakness · CWE (1)

  • CWE-125 Out-of-bounds Read weakness

References