CVE-2022-4128

MediumCVSS 5.5/10Last modified Jun 17, 2026

Description

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.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-476

Affected software

VendorProductVersions
n/aLinux kernel (mptcp)Fixed in 5.19

References

Timeline

Published
Nov 28, 2022
Last modified
Jun 17, 2026
NVD status
Analyzed

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CVE-2022-4128: Medium severity, CVSS 5.5 | Vulnix