CVE-2021-3736

Published Aug 23, 2022

Last updated 2 years ago

CVSS medium 5.5

Overview

Description: A flaw was found in the Linux kernel. A memory leak problem was found in mbochs_ioctl in samples/vfio-mdev/mbochs.c in Virtual Function I/O (VFIO) Mediated devices. This flaw could allow a local attacker to leak internal kernel information.
Source: secalert@redhat.com
NVD status: Analyzed

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:H/I:N/A:N
Severity: MEDIUM

Weaknesses

nvd@nist.gov: CWE-401
secalert@redhat.com: CWE-200

Hype score: Not currently trending

Configurations

[
  {
    "nodes": [
      {
        "negate": false,
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "BBD585C2-3F95-4E2A-BD16-33C3A6211557",
            "versionEndIncluding": "5.14.20"
          }
        ],
        "operator": "OR"
      }
    ]
  }
]

References