CVE-2021-3997

2022-08-2320:15:08

CWE-674

[email protected]

web.nvd.nist.gov

334

cve-2021-3997

systemd

denial of service

boot time

recursion

systemd-tmpfiles

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

5.4 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

23.5%

JSON

A flaw was found in systemd. An uncontrolled recursion in systemd-tmpfiles may lead to a denial of service at boot time when too many nested directories are created in /tmp.

Affected configurations

Vulners

NVD

Node

systemd_projectsystemd

VendorProductVersionCPE
systemd_projectsystemd*cpe:2.3:a:systemd_project:systemd:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
systemd_project	systemd	*	cpe:2.3:a:systemd_project:systemd::::::::

CNA Affected

[
  {
    "vendor": "n/a",
    "product": "systemd",
    "versions": [
      {
        "version": "Fixed in v251-rc1",
        "status": "affected"
      }
    ]
  }
]