CVE-2019-19227 (GCVE-0-2019-19227)

Vulnerability from cvelistv5 – Published: 2019-11-22 13:39 – Updated: 2024-08-05 02:09
VLAI
Summary
In the AppleTalk subsystem in the Linux kernel before 5.1, there is a potential NULL pointer dereference because register_snap_client may return NULL. This will lead to denial of service in net/appletalk/aarp.c and net/appletalk/ddp.c, as demonstrated by unregister_snap_client, aka CID-9804501fa122.
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE
  • n/a
Assigner
mitre CNA under the mitre root
CNA scorecard E 28/100 over 2322 records in the last 180 days details
References
URL Tags
https://git.kernel.org/pub/scm/linux/kernel/git/t… x_refsource_MISC
https://cdn.kernel.org/pub/linux/kernel/v5.x/Chan… x_refsource_MISC
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
https://security.netapp.com/advisory/ntap-2020010… x_refsource_CONFIRM
https://seclists.org/bugtraq/2020/Jan/10 mailing-listx_refsource_BUGTRAQ
http://packetstormsecurity.com/files/155890/Slack… x_refsource_MISC
https://lists.debian.org/debian-lts-announce/2020… mailing-listx_refsource_MLIST
https://usn.ubuntu.com/4254-1/ vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/4254-2/ vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/4258-1/ vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/4287-1/ vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/4287-2/ vendor-advisoryx_refsource_UBUNTU
https://lists.debian.org/debian-lts-announce/2020… mailing-listx_refsource_MLIST
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      "cve": "CVE-2019-19227",
      "id": "CVE-2019-19227",
      "initial_release_date": "2019-11-22T00:00:00+00:00",
      "product_status:known_not_affected": "93",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: potential NULL pointer dereference leads to DoS",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2019/cve-2019-19227.json",
      "version": "3"
    }
  }
}



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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

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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.
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  • 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.
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    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.