Vulnerability-Lookup

CNVD-2021-19425

Vulnerability from cnvd - Published: 2021-03-19

Title

Linux kernel内存访问冲突漏洞

Description

Linux kernel是一种计算机操作系统内核，以C语言和汇编语言写成，符合POSIX标准，按GNU通用公共许可证发行。 Linux kernel 5.10之前版本存在内存访问冲突漏洞。攻击者可利用该漏洞影响数据机密性、完整性以及系统可用性。

Severity

中

Formal description

目前厂商暂未发布修复措施解决此安全问题，建议使用此软件的用户随时关注厂商主页或参考网址以获取解决办法： https://ubuntu.com/security/CVE-2021-3411

Reference

https://nvd.nist.gov/vuln/detail/CVE-2021-3411

Impacted products

Name
Linux Linux kernel <5.10

Show details on source website

JSON

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    "cve": {
      "cveNumber": "CVE-2021-3411",
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  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-19425",
  "openTime": "2021-03-19",
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  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-3411",
  "serverity": "\u4e2d",
  "submitTime": "2021-03-10",
  "title": "Linux kernel\u5185\u5b58\u8bbf\u95ee\u51b2\u7a81\u6f0f\u6d1e"
}

CVE-2021-3411 (GCVE-0-2021-3411)

Vulnerability from cvelistv5 – Published: 2021-03-09 19:08 – Updated: 2024-08-03 16:53

Summary

A flaw was found in the Linux kernel in versions prior to 5.10. A violation of memory access was found while detecting a padding of int3 in the linking state. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

Severity

No CVSS data available.

CWE

CWE-94

Assigner

redhat redhat root

References

2 references

URL	Tags
https://bugzilla.redhat.com/show_bug.cgi?id=1928236	x_refsource_MISC
http://blog.pi3.com.pl/?p=831	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
n/a	Linux kernel	Affected: Linux kernel 5.10

Show details on NVD website

JSON

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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.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
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.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.