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CVE-2017-8824 (GCVE-0-2017-8824)

Vulnerability from cvelistv5 – Published: 2017-12-05 09:00 – Updated: 2024-08-05 16:48
VLAI
Summary
The dccp_disconnect function in net/dccp/proto.c in the Linux kernel through 4.14.3 allows local users to gain privileges or cause a denial of service (use-after-free) via an AF_UNSPEC connect system call during the DCCP_LISTEN state.
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
  • use-after-free
Assigner
References
URL Tags
https://www.debian.org/security/2018/dsa-4082 vendor-advisoryx_refsource_DEBIAN
https://lists.debian.org/debian-lts-announce/2017… mailing-listx_refsource_MLIST
https://usn.ubuntu.com/3583-2/ vendor-advisoryx_refsource_UBUNTU
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
https://usn.ubuntu.com/3582-1/ vendor-advisoryx_refsource_UBUNTU
https://access.redhat.com/errata/RHSA-2018:1062 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2018:1319 vendor-advisoryx_refsource_REDHAT
https://help.ecostruxureit.com/display/public/UAD… x_refsource_CONFIRM
https://usn.ubuntu.com/3583-1/ vendor-advisoryx_refsource_UBUNTU
https://access.redhat.com/errata/RHSA-2018:0676 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2018:1216 vendor-advisoryx_refsource_REDHAT
https://www.exploit-db.com/exploits/43234/ exploitx_refsource_EXPLOIT-DB
http://www.securityfocus.com/bid/102056 vdb-entryx_refsource_BID
https://usn.ubuntu.com/3581-1/ vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/3581-3/ vendor-advisoryx_refsource_UBUNTU
https://access.redhat.com/errata/RHSA-2018:1170 vendor-advisoryx_refsource_REDHAT
https://usn.ubuntu.com/3581-2/ vendor-advisoryx_refsource_UBUNTU
https://access.redhat.com/errata/RHSA-2018:1130 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2018:0399 vendor-advisoryx_refsource_REDHAT
https://www.debian.org/security/2017/dsa-4073 vendor-advisoryx_refsource_DEBIAN
https://access.redhat.com/errata/RHSA-2018:3822 vendor-advisoryx_refsource_REDHAT
http://lists.openwall.net/netdev/2017/12/04/224 x_refsource_MISC
https://usn.ubuntu.com/3582-2/ vendor-advisoryx_refsource_UBUNTU
http://www.openwall.com/lists/oss-security/2017/12/05/1 x_refsource_MISC
Impacted products
Vendor Product Version CPE status
n/a Linux kernel through 4.14.3 Affected: Linux kernel through 4.14.3
Date Public
2017-12-05 00:00
Show details on NVD website
To clipboard 

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      "descriptions": "[{\"lang\": \"en\", \"value\": \"The dccp_disconnect function in net/dccp/proto.c in the Linux kernel through 4.14.3 allows local users to gain privileges or cause a denial of service (use-after-free) via an AF_UNSPEC connect system call during the DCCP_LISTEN state.\"}, {\"lang\": \"es\", \"value\": \"La funci\\u00f3n dccp_disconnect en net/dccp/proto.c en el kernel de Linux hasta la versi\\u00f3n 4.14.3 permite que usuarios locales obtengan privilegios o provoquen una denegaci\\u00f3n de servicio (uso de memoria previamente liberada) mediante una llamada del sistema de conexi\\u00f3n AF_UNSPEC durante el estado DCCP_LISTEN.\"}]",
      "id": "CVE-2017-8824",
      "lastModified": "2024-11-21T03:34:46.543",
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      "published": "2017-12-05T09:29:00.367",
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Advisory\",\"VDB Entry\"]}]}}",
    "redhat_vex": {
      "aggregate_severity": "Important",
      "current_release_date": "2026-06-28T06:45:24+00:00",
      "cve": "CVE-2017-8824",
      "id": "CVE-2017-8824",
      "initial_release_date": "2017-12-05T05:43:00+00:00",
      "product_status:fixed": "722",
      "product_status:known_not_affected": "16",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: Use-after-free vulnerability in DCCP socket",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2017/cve-2017-8824.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-09-05T23:52:47Z",
      "cve": "CVE-2017-8824",
      "id": "CVE-2017-8824",
      "initial_release_date": "2023-02-15T04:45:47Z",
      "product_status:known_affected": "2",
      "product_status:known_not_affected": "314",
      "product_status:recommended": "640",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2017-8824",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2017-8824.json",
      "version": "23"
    }
  }
}



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Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.


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.