CVE-2022-4128
MEDIUM
5.5
CVSS Score
Published: November 28, 2022 at 12:00 AM UTC
Updated: June 17, 2026 at 05:20 AM UTC
2 products affected across 2 vendorsLinux KernelKernel
Using Linux kernel (mptcp) by N/A?
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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%
SSVC
No known exploit
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.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (2)
PatchVendor Advisory
Source: [email protected]
https://lore.kernel.org/netdev/20220708233610.410786-2-mathew.j.martineau%40linux.intel.com/SSVC — Action Prioritization
SSVCNo known exploitNot automatablePartial impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
5.5MEDIUMCISA-ADP
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusANALYZED
CWE
CWE-476
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