CVE-2022-4129

CVE Details

Release Date:	2022-11-28
Impact:	None	What is this?

Description

A flaw was found in the Linux kernel's Layer 2 Tunneling Protocol (L2TP). A missing lock when clearing sk_user_data can lead to a race condition and NULL pointer dereference. A local user could use this flaw to potentially crash the system causing a denial of service.

See more information about CVE-2022-4129 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:	5.5
Vector String:	CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Version:	3.0
Attack Vector:	Local
Attack Complexity:	Low
Privileges Required:	Low
User Interaction:	None
Scope:	Unchanged
Confidentiality Impact:	None
Integrity Impact:	None
Availability Impact:	High

Errata information

Platform	Errata	Release Date
Oracle Linux version 7 (kernel-uek)	ELSA-2023-12255	2023-04-17
Oracle Linux version 7 (kernel-uek-container)	ELSA-2023-12256	2023-04-17
Oracle Linux version 8 (kernel)	ELSA-2023-2951	2023-05-23
Oracle Linux version 8 (kernel-uek)	ELSA-2023-12196	2023-03-16
Oracle Linux version 8 (kernel-uek)	ELSA-2023-12255	2023-04-17
Oracle Linux version 8 (kernel-uek-container)	ELSA-2023-12256	2023-04-17
Oracle Linux version 9 (kernel)	ELSA-2023-2458	2023-05-15
Oracle Linux version 9 (kernel-uek)	ELSA-2023-12196	2023-03-16