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.
Published: 2022-11-28
Score: 5.5 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2022-51493 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.
History

Wed, 25 Jun 2025 21:15:00 +0000

Type Values Removed Values Added
First Time appeared Linux linux Kernel
CPEs cpe:2.3:o:linux:mptcp_protocol:*:*:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.19:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.19:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.19:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.19:rc4:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.19:rc5:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.19:rc6:*:*:*:*:*:*
Vendors & Products Linux mptcp Protocol
Linux linux Kernel

Mon, 14 Apr 2025 18:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Subscriptions

Linux Linux Kernel
Redhat Enterprise Linux
cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2025-04-14T18:08:50.265Z

Reserved: 2022-11-23T00:00:00.000Z

Link: CVE-2022-4128

cve-icon Vulnrichment

Updated: 2024-08-03T01:27:54.495Z

cve-icon NVD

Status : Analyzed

Published: 2022-11-28T22:15:11.117

Modified: 2025-06-25T20:57:22.500

Link: CVE-2022-4128

cve-icon Redhat

Severity : Moderate

Publid Date: 2022-07-11T00:00:00Z

Links: CVE-2022-4128 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses