Vulnerability-Lookup

CNVD-2016-03350

Vulnerability from cnvd - Published: 2016-05-19

Title

Linux kernel内存错误引用漏洞（CNVD-2016-03350）

Description

Linux kernel是美国Linux基金会发布的操作系统Linux所使用的内核。 Linux kernel 4.4版本的ppp_unregister_channel中存在内存错误引用漏洞，该漏洞源于程序删除网络命名空间时，其中的ppp_async通道仍然处于注册状态。攻击者可利用该漏洞造成拒绝服务。

Severity

高

Patch Name

Linux kernel内存错误引用漏洞（CNVD-2016-03350）的补丁

Patch Description

Linux kernel是美国Linux基金会发布的操作系统Linux所使用的内核。 Linux kernel 4.4版本的ppp_unregister_channel中存在内存错误引用漏洞，该漏洞源于程序删除网络命名空间时，其中的ppp_async通道仍然处于注册状态。攻击者可利用该漏洞造成拒绝服务。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

目前厂商已经发布了升级补丁以修复此安全问题，补丁获取链接： https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=1f461dcdd296eecedaffffc6bae2bfa90bd7eb89

Reference

http://www.openwall.com/lists/oss-security/2016/05/15/3

Impacted products

Name
Linux Kernel 4.4

Show details on source website

JSON

To clipboard

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    "cve": {
      "cveNumber": "CVE-2016-4805"
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  "discovererName": "Linux",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u7ecf\u53d1\u5e03\u4e86\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6b64\u5b89\u5168\u95ee\u9898\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=1f461dcdd296eecedaffffc6bae2bfa90bd7eb89",
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    "product": "Linux Kernel 4.4"
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  "referenceLink": "http://www.openwall.com/lists/oss-security/2016/05/15/3",
  "serverity": "\u9ad8",
  "submitTime": "2016-05-17",
  "title": "Linux kernel\u5185\u5b58\u9519\u8bef\u5f15\u7528\u6f0f\u6d1e\uff08CNVD-2016-03350\uff09"
}

CVE-2016-4805 (GCVE-0-2016-4805)

Vulnerability from cvelistv5 – Published: 2016-05-23 10:00 – Updated: 2024-08-06 00:39

Summary

Use-after-free vulnerability in drivers/net/ppp/ppp_generic.c in the Linux kernel before 4.5.2 allows local users to cause a denial of service (memory corruption and system crash, or spinlock) or possibly have unspecified other impact by removing a network namespace, related to the ppp_register_net_channel and ppp_unregister_channel functions.

Severity

No CVSS data available.

CWE

Assigner

mitre CNA under the mitre root

CNA scorecard E 28/100 over 2342 records in the last 180 days details

References

19 references

URL	Tags
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
http://www.oracle.com/technetwork/topics/security…	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
http://www.ubuntu.com/usn/USN-3021-2	vendor-advisoryx_refsource_UBUNTU
http://git.kernel.org/cgit/linux/kernel/git/torva…	x_refsource_CONFIRM
https://github.com/torvalds/linux/commit/1f461dcd…	x_refsource_CONFIRM
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
http://www.debian.org/security/2016/dsa-3607	vendor-advisoryx_refsource_DEBIAN
http://www.securitytracker.com/id/1036763	vdb-entryx_refsource_SECTRACK
http://www.openwall.com/lists/oss-security/2016/05/15/2	mailing-listx_refsource_MLIST
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
http://www.ubuntu.com/usn/USN-3021-1	vendor-advisoryx_refsource_UBUNTU
http://www.kernel.org/pub/linux/kernel/v4.x/Chang…	x_refsource_CONFIRM
https://bugzilla.redhat.com/show_bug.cgi?id=1335803	x_refsource_CONFIRM
http://www.oracle.com/technetwork/topics/security…	x_refsource_CONFIRM
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
http://www.securityfocus.com/bid/90605	vdb-entryx_refsource_BID
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE

Date Public

2016-04-20 00:00

Show details on NVD website

JSON

To clipboard

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              "refsource": "UBUNTU",
              "url": "http://www.ubuntu.com/usn/USN-3021-1"
            },
            {
              "name": "http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.2",
              "refsource": "CONFIRM",
              "url": "http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.2"
            },
            {
              "name": "https://bugzilla.redhat.com/show_bug.cgi?id=1335803",
              "refsource": "CONFIRM",
              "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1335803"
            },
            {
              "name": "http://www.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.html",
              "refsource": "CONFIRM",
              "url": "http://www.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.html"
            },
            {
              "name": "SUSE-SU-2016:2105",
              "refsource": "SUSE",
              "url": "http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00044.html"
            },
            {
              "name": "90605",
              "refsource": "BID",
              "url": "http://www.securityfocus.com/bid/90605"
            },
            {
              "name": "SUSE-SU-2016:1937",
              "refsource": "SUSE",
              "url": "http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00000.html"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2016-4805",
    "datePublished": "2016-05-23T10:00:00.000Z",
    "dateReserved": "2016-05-15T00:00:00.000Z",
    "dateUpdated": "2024-08-06T00:39:26.273Z",
    "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.

Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

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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.

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