Vulnerability-Lookup

CNVD-2019-38288

Vulnerability from cnvd - Published: 2019-10-30

Title

Linux kernel资源管理错误漏洞（CNVD-2019-38288）

Description

Linux kernel是美国Linux基金会发布的开源操作系统Linux所使用的内核。 Linux kernel 4.18之前版本存在资源管理错误漏洞。该漏洞源于网络系统或产品对系统资源（如内存、磁盘空间、文件等）的管理不当。攻击者可利用该漏洞导致拒绝服务（系统崩溃）或执行任意代码。

Severity

中

Patch Name

Linux kernel资源管理错误漏洞（CNVD-2019-38288）的补丁

Patch Description

Linux kernel是美国Linux基金会发布的开源操作系统Linux所使用的内核。 Linux kernel 4.18之前版本存在资源管理错误漏洞。该漏洞源于网络系统或产品对系统资源（如内存、磁盘空间、文件等）的管理不当。攻击者可利用该漏洞导致拒绝服务（系统崩溃）或执行任意代码。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

目前厂商已发布升级补丁以修复漏洞，补丁获取链接： https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c9fbd7bbc23dbdd73364be4d045e5d3612cf6e82

Reference

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c9fbd7bbc23dbdd73364be4d045e5d3612cf6e82

Impacted products

Name
Linux Linux kernel <4.18

Show details on source website

JSON

To clipboard

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    "cve": {
      "cveNumber": "CVE-2018-20976",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2018-20976"
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}

CVE-2018-20976 (GCVE-0-2018-20976)

Vulnerability from cvelistv5 – Published: 2019-08-19 01:52 – Updated: 2024-08-05 12:19

Summary

An issue was discovered in fs/xfs/xfs_super.c in the Linux kernel before 4.18. A use after free exists, related to xfs_fs_fill_super failure.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

17 references

URL	Tags
https://git.kernel.org/pub/scm/linux/kernel/git/t…	x_refsource_MISC
https://security.netapp.com/advisory/ntap-2019090…	x_refsource_CONFIRM
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
https://lists.debian.org/debian-lts-announce/2019…	mailing-listx_refsource_MLIST
https://usn.ubuntu.com/4144-1/	vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/4145-1/	vendor-advisoryx_refsource_UBUNTU
https://support.f5.com/csp/article/K10269585?utm_…	x_refsource_CONFIRM
http://packetstormsecurity.com/files/154951/Kerne…	x_refsource_MISC
https://seclists.org/bugtraq/2019/Nov/11	mailing-listx_refsource_BUGTRAQ
http://packetstormsecurity.com/files/155212/Slack…	x_refsource_MISC
https://access.redhat.com/errata/RHSA-2020:0178	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2020:0543	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2020:0592	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2020:0609	vendor-advisoryx_refsource_REDHAT
https://lists.debian.org/debian-lts-announce/2020…	mailing-listx_refsource_MLIST
https://access.redhat.com/errata/RHSA-2020:0661	vendor-advisoryx_refsource_REDHAT

Show details on NVD website

JSON

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              "name": "RHSA-2020:0592",
              "refsource": "REDHAT",
              "url": "https://access.redhat.com/errata/RHSA-2020:0592"
            },
            {
              "name": "RHSA-2020:0609",
              "refsource": "REDHAT",
              "url": "https://access.redhat.com/errata/RHSA-2020:0609"
            },
            {
              "name": "[debian-lts-announce] 20200302 [SECURITY] [DLA 2114-1] linux-4.9 security update",
              "refsource": "MLIST",
              "url": "https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html"
            },
            {
              "name": "RHSA-2020:0661",
              "refsource": "REDHAT",
              "url": "https://access.redhat.com/errata/RHSA-2020:0661"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2018-20976",
    "datePublished": "2019-08-19T01:52:55.000Z",
    "dateReserved": "2019-08-18T00:00:00.000Z",
    "dateUpdated": "2024-08-05T12:19:27.047Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.