CVE-2022-4128

Published Nov 28, 2022

Last updated a year ago

CVSS medium 5.5

Overview

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.
Source: secalert@redhat.com
NVD status: Modified

Risk scores

CVSS 3.1

Type: Primary
Base score: 5.5
Impact score: 3.6
Exploitability score: 1.8
Vector string: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Severity: MEDIUM

Weaknesses

secalert@redhat.com: CWE-476

Hype score: Not currently trending

Configurations

[
  {
    "nodes": [
      {
        "negate": false,
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:o:linux:mptcp_protocol:*:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "FECE99CC-9052-436C-BEFA-91711A2A7902",
            "versionEndExcluding": "5.19"
          }
        ],
        "operator": "OR"
      }
    ]
  }
]

References