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NVD Vulnerability Details :

CVE-2022-4128

Modified

Source-secalert@redhat.com

Published At-28 Nov, 2022 | 22:15

Updated At-14 Apr, 2025 | 18:15

A NULL pointer dereference issue was discovered in the Linux kernel in the MPTCP protocol when traversing the subflow list at disconnect time. A local user could use this flaw to potentially crash the system causing a denial of service.

Date Added	Due Date	Vulnerability Name	Required Action
	N/A

Metrics

Type	Version	Base score	Base severity	Vector
Primary	3.1	5.5	MEDIUM	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Secondary	3.1	5.5	MEDIUM	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CPE Matches

Linux Kernel Organization, Inc

>>mptcp_protocol>>Versions before 5.19(exclusive)

cpe:2.3:o:linux:mptcp_protocol:*:*:*:*:*:*:*:*

Weaknesses

CWE ID	Type	Source
CWE-476	Secondary	secalert@redhat.com

References

Hyperlink	Source	Resource
https://github.com/torvalds/linux/commit/5c835bb142d4	secalert@redhat.com	Patch Vendor Advisory
https://lore.kernel.org/netdev/20220708233610.410786-2-mathew.j.martineau%40linux.intel.com/	secalert@redhat.com	N/A
https://github.com/torvalds/linux/commit/5c835bb142d4	af854a3a-2127-422b-91ae-364da2661108	Patch Vendor Advisory
https://lore.kernel.org/netdev/20220708233610.410786-2-mathew.j.martineau%40linux.intel.com/	af854a3a-2127-422b-91ae-364da2661108	N/A

CISA Catalog

Metrics

CPE Matches

Weaknesses

Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References

Change History