CVE-2023-39189

CVE Details

Release Date:	2023-08-30
Impact:	Moderate	What is this?

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.

See more information about CVE-2023-39189 from MITRE CVE dictionary and NIST NVD

NOTE: The following CVSS metrics and score provided are preliminary and subject to review.

CVSS v3 metrics

Base Score:	5.1
Vector String:	CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:L
Version:	3.0
Attack Vector:	Local
Attack Complexity:	Low
Privileges Required:	High
User Interaction:	None
Scope:	Unchanged
Confidentiality Impact:	High
Integrity Impact:	None
Availability Impact:	Low

Errata information

Platform	Errata	Release Date
Oracle Linux version 8 (kernel)	ELSA-2024-3138	2024-05-23
Oracle Linux version 9 (kernel)	ELSA-2024-2394	2024-05-02