CVE-2012-2745 (GCVE-0-2012-2745)

Vulnerability from cvelistv5 – Published: 2012-08-09 10:00 – Updated: 2024-08-06 19:42
VLAI
Summary
The copy_creds function in kernel/cred.c in the Linux kernel before 3.3.2 provides an invalid replacement session keyring to a child process, which allows local users to cause a denial of service (panic) via a crafted application that uses the fork system call.
Severity
No CVSS data available.
CWE
  • n/a
Assigner
References
URL Tags
http://www.kernel.org/pub/linux/kernel/v3.x/Chang… x_refsource_CONFIRM
http://www.ubuntu.com/usn/USN-1606-1 vendor-advisoryx_refsource_UBUNTU
https://github.com/torvalds/linux/commit/79549c6d… x_refsource_CONFIRM
http://www.ubuntu.com/usn/USN-1567-1 vendor-advisoryx_refsource_UBUNTU
http://www.ubuntu.com/usn/USN-1597-1 vendor-advisoryx_refsource_UBUNTU
http://secunia.com/advisories/50853 third-party-advisoryx_refsource_SECUNIA
https://bugzilla.redhat.com/show_bug.cgi?id=833428 x_refsource_CONFIRM
http://secunia.com/advisories/50961 third-party-advisoryx_refsource_SECUNIA
http://git.kernel.org/?p=linux/kernel/git/torvald… x_refsource_CONFIRM
http://www.securitytracker.com/id?1027236 vdb-entryx_refsource_SECTRACK
http://www.securityfocus.com/bid/54365 vdb-entryx_refsource_BID
http://rhn.redhat.com/errata/RHSA-2012-1064.html vendor-advisoryx_refsource_REDHAT
http://secunia.com/advisories/50633 third-party-advisoryx_refsource_SECUNIA
Date Public
2012-04-13 00:00
Show details on NVD website
To clipboard 

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          ]
        },
        "published": "2012-08-09T10:29:47.027",
        "references": [
          {
            "source": "secalert@redhat.com",
            "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=79549c6dfda0603dba9a70a53467ce62d9335c33"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://rhn.redhat.com/errata/RHSA-2012-1064.html"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://secunia.com/advisories/50633"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://secunia.com/advisories/50853"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://secunia.com/advisories/50961"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.3.2"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://www.securityfocus.com/bid/54365"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://www.securitytracker.com/id?1027236"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://www.ubuntu.com/usn/USN-1567-1"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://www.ubuntu.com/usn/USN-1597-1"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://www.ubuntu.com/usn/USN-1606-1"
          },
          {
            "source": "secalert@redhat.com",
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=833428"
          },
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Patch"
            ],
            "url": "https://github.com/torvalds/linux/commit/79549c6dfda0603dba9a70a53467ce62d9335c33"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=79549c6dfda0603dba9a70a53467ce62d9335c33"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://rhn.redhat.com/errata/RHSA-2012-1064.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://secunia.com/advisories/50633"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://secunia.com/advisories/50853"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://secunia.com/advisories/50961"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.3.2"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.securityfocus.com/bid/54365"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.securitytracker.com/id?1027236"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.ubuntu.com/usn/USN-1567-1"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.ubuntu.com/usn/USN-1597-1"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.ubuntu.com/usn/USN-1606-1"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=833428"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Patch"
            ],
            "url": "https://github.com/torvalds/linux/commit/79549c6dfda0603dba9a70a53467ce62d9335c33"
          }
        ],
        "sourceIdentifier": "secalert@redhat.com",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-119"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2025-11-21T12:51:31+00:00",
      "cve": "CVE-2012-2745",
      "id": "CVE-2012-2745",
      "initial_release_date": "2012-07-10T00:00:00+00:00",
      "product_status:fixed": "440",
      "product_status:known_not_affected": "13",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: cred: copy_process() should clear child-\u003ereplacement_session_keyring",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2012/cve-2012-2745.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-09-05T01:30:11Z",
      "cve": "CVE-2012-2745",
      "id": "CVE-2012-2745",
      "initial_release_date": "2023-02-15T05:46:48Z",
      "product_status:known_not_affected": "537",
      "product_status:recommended": "188",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2012-2745",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2012-2745.json",
      "version": "19"
    }
  }
}



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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.



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.