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USN-2545-1 (UBUNTU-CVE-2013-7421)

Vulnerability from osv_ubuntu – Published: 2015-03-24 09:25 – Updated: 2026-02-10 04:40 – Source website
VLAI
Summary
linux-lts-utopic vulnerabilities
Details

A flaw was discovered in the automatic loading of modules in the crypto subsystem of the Linux kernel. A local user could exploit this flaw to load installed kernel modules, increasing the attack surface and potentially using this to gain administrative privileges. (CVE-2013-7421)

A flaw was discovered in the crypto subsystem when screening module names for automatic module loading if the name contained a valid crypto module name, eg. vfat(aes). A local user could exploit this flaw to load installed kernel modules, increasing the attack surface and potentially using this to gain administrative privileges. (CVE-2014-9644)

Sun Baoliang discovered a use after free flaw in the Linux kernel's SCTP (Stream Control Transmission Protocol) subsystem during INIT collisions. A remote attacker could exploit this flaw to cause a denial of service (system crash) or potentially escalate their privileges on the system. (CVE-2015-1421)

Marcelo Leitner discovered a flaw in the Linux kernel's routing of packets to too many different dsts/too fast. A remote attacker can exploit this flaw to cause a denial of service (system crash). (CVE-2015-1465)

References
To clipboard 

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              "id": "CVE-2013-7421",
              "severity": [
                {
                  "score": "medium",
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                }
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            {
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              "severity": [
                {
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      "package": {
        "ecosystem": "Ubuntu:14.04:LTS",
        "name": "linux-lts-utopic",
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          "type": "ECOSYSTEM"
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      "versions": [
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        "3.16.0-26.35~14.04.1",
        "3.16.0-28.37~14.04.1",
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        "3.16.0-31.43~14.04.1"
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  ],
  "aliases": [],
  "details": "A flaw was discovered in the automatic loading of modules in the crypto\nsubsystem of the Linux kernel. A local user could exploit this flaw to load\ninstalled kernel modules, increasing the attack surface and potentially\nusing this to gain administrative privileges. (CVE-2013-7421)\n\nA flaw was discovered in the crypto subsystem when screening module names\nfor automatic module loading if the name contained a valid crypto module\nname, eg. vfat(aes). A local user could exploit this flaw to load installed\nkernel modules, increasing the attack surface and potentially using this to\ngain administrative privileges. (CVE-2014-9644)\n\nSun Baoliang discovered a use after free flaw in the Linux kernel\u0027s SCTP\n(Stream Control Transmission Protocol) subsystem during INIT collisions. A\nremote attacker could exploit this flaw to cause a denial of service\n(system crash) or potentially escalate their privileges on the system.\n(CVE-2015-1421)\n\nMarcelo Leitner discovered a flaw in the Linux kernel\u0027s routing of packets\nto too many different dsts/too fast. A remote attacker can exploit this\nflaw to cause a denial of service (system crash). (CVE-2015-1465)\n",
  "id": "USN-2545-1",
  "modified": "2026-02-10T04:40:53Z",
  "published": "2015-03-24T09:25:33Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-2545-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2013-7421"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2014-9644"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2015-1421"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2015-1465"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "linux-lts-utopic vulnerabilities",
  "upstream": [
    "UBUNTU-CVE-2013-7421",
    "UBUNTU-CVE-2014-9644",
    "UBUNTU-CVE-2015-1421",
    "UBUNTU-CVE-2015-1465"
  ]
}



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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

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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.
  • 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.


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.