Vulnerability-Lookup

CNVD-2020-07215

Vulnerability from cnvd - Published: 2020-02-14

Title

systemd内存泄漏漏洞

Description

systemd是一个用于Linux操作系统的系统和服务管理器。 systemd 243之前版本中的login/logind-button.c中的button_open在执行udevadm trigger命令时存在内存泄漏漏洞。目前没有详细的漏洞细节提供。

Severity

低

Patch Name

systemd内存泄漏漏洞的补丁

Patch Description

systemd是一个用于Linux操作系统的系统和服务管理器。 systemd 243之前版本中的login/logind-button.c中的button_open在执行udevadm trigger命令时存在内存泄漏漏洞。目前没有详细的漏洞细节提供。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description

厂商已发布了漏洞修复程序，请及时关注更新： https://github.com/systemd/systemd/commit/b2774a3ae692113e1f47a336a6c09bac9cfb49ad

Reference

https://nvd.nist.gov/vuln/detail/CVE-2019-20386

Impacted products

Name
systemd systemd <243

Show details on source website

JSON

To clipboard

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      "cveNumber": "CVE-2019-20386",
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  "number": "CNVD-2020-07215",
  "openTime": "2020-02-14",
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  "products": {
    "product": "systemd systemd \u003c243"
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  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2019-20386",
  "serverity": "\u4f4e",
  "submitTime": "2020-01-21",
  "title": "systemd\u5185\u5b58\u6cc4\u6f0f\u6f0f\u6d1e"
}

CVE-2019-20386 (GCVE-0-2019-20386)

Vulnerability from cvelistv5 – Published: 2020-01-21 05:12 – Updated: 2025-06-09 15:40

Summary

An issue was discovered in button_open in login/logind-button.c in systemd before 243. When executing the udevadm trigger command, a memory leak may occur.

Severity

5.1 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-06-09 15:39 UTC

CWE

n/a
CWE-401 - Missing Release of Memory after Effective Lifetime

Assigner

mitre mitre root

References

5 references

URL	Tags
https://github.com/systemd/systemd/commit/b2774a3…	x_refsource_MISC
https://security.netapp.com/advisory/ntap-2020021…	x_refsource_CONFIRM
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
https://usn.ubuntu.com/4269-1/	vendor-advisoryx_refsource_UBUNTU
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA

Show details on NVD website

JSON

To clipboard

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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
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Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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