CVE-2021-4155

Published Aug 24, 2022

Last updated 2 years ago

CVSS medium 5.5

Overview

Description: A data leak flaw was found in the way XFS_IOC_ALLOCSP IOCTL in the XFS filesystem allowed for size increase of files with unaligned size. A local attacker could use this flaw to leak data on the XFS filesystem otherwise not accessible to them.
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-131
secalert@redhat.com: CWE-131

Hype score: Not currently trending

Configurations

[
  {
    "nodes": [
      {
        "negate": false,
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "D692A2AE-8E9E-46AE-8670-7E1284317A25",
            "versionEndExcluding": "5.16"
          }
        ],
        "operator": "OR"
      }
    ]
  }
]

References