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CVE-2016-4558 (GCVE-0-2016-4558)

Vulnerability from cvelistv5 – Published: 2016-05-23 10:00 – Updated: 2024-08-06 00:32
VLAI
Summary
The BPF subsystem in the Linux kernel before 4.5.5 mishandles reference counts, which allows local users to cause a denial of service (use-after-free) or possibly have unspecified other impact via a crafted application on (1) a system with more than 32 Gb of memory, related to the program reference count or (2) a 1 Tb system, related to the map reference count.
CWE
  • n/a
References
Date Public
2016-05-06 00:00
Show details on NVD website

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    "redhat_vex": {
      "aggregate_severity": "Important",
      "current_release_date": "2025-11-21T12:03:05+00:00",
      "cve": "CVE-2016-4558",
      "id": "CVE-2016-4558",
      "initial_release_date": "2016-04-28T00:00:00+00:00",
      "product_status:known_not_affected": "55",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: bpf: refcnt overflow",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2016/cve-2016-4558.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-07-26T01:00:35Z",
      "cve": "CVE-2016-4558",
      "id": "CVE-2016-4558",
      "initial_release_date": "2023-02-15T05:02:39Z",
      "product_status:known_affected": "31",
      "product_status:known_not_affected": "161",
      "product_status:recommended": "189",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2016-4558",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2016-4558.json",
      "version": "15"
    }
  }
}



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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.

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Detection rules are retrieved from Rulezet.

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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.


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