CVE-2019-20934 (GCVE-0-2019-20934)

Vulnerability from cvelistv5 – Published: 2020-11-28 06:20 – Updated: 2024-08-05 03:00
VLAI
Summary
An issue was discovered in the Linux kernel before 5.2.6. On NUMA systems, the Linux fair scheduler has a use-after-free in show_numa_stats() because NUMA fault statistics are inappropriately freed, aka CID-16d51a590a8c.
Severity
5.3 (Medium)
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:H
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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    "redhat_vex": {
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      "current_release_date": "2026-06-28T07:28:30+00:00",
      "cve": "CVE-2019-20934",
      "id": "CVE-2019-20934",
      "initial_release_date": "2019-01-01T00:00:00+00:00",
      "product_status:fixed": "291",
      "product_status:known_affected": "31",
      "product_status:known_not_affected": "48",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: use-after-free in show_numa_stats function",
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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.
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  • 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.