CVE-2022-4128

kernel: mptcp: NULL pointer dereference in subflow traversal at disconnect time

Published Nov 28, 2022 CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
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.

Analysis

No analysis available yet

Remediation

No remediation available yet

Tracking

Sign in to view the affected projects.

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
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
Type Values Removed Values Added
Metrics ssvc

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

Weaknesses

Sources

Status
PUBLISHED
Assigner
redhat
Published
Updated
Apr 14, 2025, 6:08 PM
Reserved
Nov 23, 2022, 12:00 AM
Status
Analyzed
Published
Nov 28, 2022, 10:15 PM
Modified
Jun 17, 2026, 5:20 AM
Severity
Moderate
Public date
Jul 11, 2022, 12:00 AM