CVE-2019-20054 (GCVE-0-2019-20054)

Vulnerability from cvelistv5 – Published: 2019-12-28 04:07 – Updated: 2024-08-05 02:32
VLAI
Summary
In the Linux kernel before 5.0.6, there is a NULL pointer dereference in drop_sysctl_table() in fs/proc/proc_sysctl.c, related to put_links, aka CID-23da9588037e.
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
References
Show details on NVD website
To clipboard 

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    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2026-06-28T07:28:18+00:00",
      "cve": "CVE-2019-20054",
      "id": "CVE-2019-20054",
      "initial_release_date": "2019-12-28T00:00:00+00:00",
      "product_status:fixed": "379",
      "product_status:known_affected": "12",
      "product_status:known_not_affected": "15",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: Null pointer dereference in drop_sysctl_table() in fs/proc/proc_sysctl.c",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2019/cve-2019-20054.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-07-25T17:57:12Z",
      "cve": "CVE-2019-20054",
      "id": "CVE-2019-20054",
      "initial_release_date": "2023-02-15T04:05:32Z",
      "product_status:known_affected": "124",
      "product_status:known_not_affected": "71",
      "product_status:recommended": "682",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2019-20054",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2019-20054.json",
      "version": "18"
    }
  }
}



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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

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.