fkie_cve-2021-3752
Vulnerability from fkie_nvd
Published
2022-02-16 19:15
Modified
2024-11-21 06:22
Severity ?
7.1 (High) - CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
A use-after-free flaw was found in the Linux kernel’s Bluetooth subsystem in the way user calls connect to the socket and disconnect simultaneously due to a race condition. This flaw allows a user to crash the system or escalate their privileges. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.
References
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=1999544Issue Tracking, Third Party Advisory
secalert@redhat.comhttps://lists.debian.org/debian-lts-announce/2022/03/msg00011.htmlMailing List, Third Party Advisory
secalert@redhat.comhttps://lists.debian.org/debian-lts-announce/2022/03/msg00012.htmlMailing List, Third Party Advisory
secalert@redhat.comhttps://lore.kernel.org/lkml/20211115165435.133245729%40linuxfoundation.org/
secalert@redhat.comhttps://security.netapp.com/advisory/ntap-20220318-0009/Third Party Advisory
secalert@redhat.comhttps://www.debian.org/security/2022/dsa-5096Third Party Advisory
secalert@redhat.comhttps://www.openwall.com/lists/oss-security/2021/09/15/4Exploit, Mailing List, Third Party Advisory
secalert@redhat.comhttps://www.oracle.com/security-alerts/cpujul2022.htmlPatch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=1999544Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2022/03/msg00011.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2022/03/msg00012.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lore.kernel.org/lkml/20211115165435.133245729%40linuxfoundation.org/
af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20220318-0009/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2022/dsa-5096Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.openwall.com/lists/oss-security/2021/09/15/4Exploit, Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.oracle.com/security-alerts/cpujul2022.htmlPatch, Third Party Advisory
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
redhat 3scale 2.0
redhat virtualization_host 4.0
fedoraproject fedora 34
redhat enterprise_linux 7.0
redhat enterprise_linux 8.0
redhat enterprise_linux_for_real_time 7
redhat enterprise_linux_for_real_time_for_nfv 7
netapp h300s_firmware -
netapp h300s -
netapp h500s_firmware -
netapp h500s -
netapp h700s_firmware -
netapp h700s -
netapp h300e_firmware -
netapp h300e -
netapp h500e_firmware -
netapp h500e -
netapp h700e_firmware -
netapp h700e -
netapp h410s_firmware -
netapp h410s -
netapp h410c_firmware -
netapp h410c -
debian debian_linux 9.0
debian debian_linux 10.0
oracle communications_cloud_native_core_binding_support_function 22.1.3
oracle communications_cloud_native_core_network_exposure_function 22.1.1
oracle communications_cloud_native_core_policy 22.2.0


To clipboard 

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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A use-after-free flaw was found in the Linux kernel\u2019s Bluetooth subsystem in the way user calls connect to the socket and disconnect simultaneously due to a race condition. This flaw allows a user to crash the system or escalate their privileges. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability."
    },
    {
      "lang": "es",
      "value": "Se ha encontrado un fallo de uso de memoria previamente liberada en el subsistema Bluetooth del kernel de Linux en la forma en que las llamadas de usuario son conectadas al socket y son desconectadas simult\u00e1neamente debido a una condici\u00f3n de carrera. Este fallo permite a un usuario bloquear el sistema o escalar sus privilegios. La mayor amenaza de esta vulnerabilidad es para la confidencialidad, la integridad y la disponibilidad del sistema"
    }
  ],
  "id": "CVE-2021-3752",
  "lastModified": "2024-11-21T06:22:20.397",
  "metrics": {
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          "accessVector": "ADJACENT_NETWORK",
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          "baseScore": 7.9,
          "confidentialityImpact": "COMPLETE",
          "integrityImpact": "COMPLETE",
          "vectorString": "AV:A/AC:M/Au:N/C:C/I:C/A:C",
          "version": "2.0"
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        "exploitabilityScore": 5.5,
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        "obtainAllPrivilege": false,
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        "source": "nvd@nist.gov",
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          "baseScore": 7.1,
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  "vulnStatus": "Modified",
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      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.