CVE-2022-4129

2022-11-2800:00:00

ubuntu.com

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

1.7 Low

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:L/AC:L/Au:S/C:N/I:N/A:P

0.0004 Low

EPSS

Percentile

5.3%

JSON

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.

OSVersionArchitecturePackageVersionFilename
ubuntu20.04noarchlinux< 5.4.0-147.164UNKNOWN
ubuntu22.04noarchlinux< 5.15.0-70.77UNKNOWN
ubuntu22.10noarchlinux< 5.19.0-42.43UNKNOWN
ubuntu22.04noarchlinux-allwinner-5.19< 5.19.0-1012.12~22.04.1UNKNOWN
ubuntu20.04noarchlinux-aws< 5.4.0-1100.108UNKNOWN
ubuntu22.04noarchlinux-aws< 5.15.0-1034.38UNKNOWN
ubuntu22.10noarchlinux-aws< 5.19.0-1025.26UNKNOWN
ubuntu20.04noarchlinux-aws-5.15< 5.15.0-1034.38~20.04.1UNKNOWN
ubuntu18.04noarchlinux-aws-5.4< 5.4.0-1100.108~18.04.1UNKNOWN
ubuntu20.04noarchlinux-azure< 5.4.0-1106.112UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	20.04	noarch	linux	< 5.4.0-147.164	UNKNOWN
ubuntu	22.04	noarch	linux	< 5.15.0-70.77	UNKNOWN
ubuntu	22.10	noarch	linux	< 5.19.0-42.43	UNKNOWN
ubuntu	22.04	noarch	linux-allwinner-5.19	< 5.19.0-1012.12~22.04.1	UNKNOWN
ubuntu	20.04	noarch	linux-aws	< 5.4.0-1100.108	UNKNOWN
ubuntu	22.04	noarch	linux-aws	< 5.15.0-1034.38	UNKNOWN
ubuntu	22.10	noarch	linux-aws	< 5.19.0-1025.26	UNKNOWN
ubuntu	20.04	noarch	linux-aws-5.15	< 5.15.0-1034.38~20.04.1	UNKNOWN
ubuntu	18.04	noarch	linux-aws-5.4	< 5.4.0-1100.108~18.04.1	UNKNOWN
ubuntu	20.04	noarch	linux-azure	< 5.4.0-1106.112	UNKNOWN