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CVE-2012-1146 (GCVE-0-2012-1146)

Vulnerability from cvelistv5 – Published: 2012-05-17 10:00 – Updated: 2024-08-06 18:45
VLAI
Summary
The mem_cgroup_usage_unregister_event function in mm/memcontrol.c in the Linux kernel before 3.2.10 does not properly handle multiple events that are attached to the same eventfd, which allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact by registering memory threshold events.
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
Date Public
2012-03-07 00:00
Show details on NVD website
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Advisory\",\"VDB Entry\"]},{\"url\":\"https://github.com/torvalds/linux/commit/371528caec553785c37f73fa3926ea0de84f986f\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Exploit\",\"Patch\",\"Third Party Advisory\"]}]}}",
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2025-11-21T12:53:21+00:00",
      "cve": "CVE-2012-1146",
      "id": "CVE-2012-1146",
      "initial_release_date": "2012-02-24T00:00:00+00:00",
      "product_status:known_not_affected": "27",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: mm: memcg: unregistring of events attached to the same eventfd can lead to oops",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2012/cve-2012-1146.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-08-27T02:10:15Z",
      "cve": "CVE-2012-1146",
      "id": "CVE-2012-1146",
      "initial_release_date": "2023-02-15T05:48:11Z",
      "product_status:recommended": "124",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2012-1146",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2012-1146.json",
      "version": "12"
    }
  }
}



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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.