fkie_cve-2021-3640
Vulnerability from fkie_nvd
Published
2022-03-03 23:15
Modified
2024-11-21 06:22
Severity ?
7.0 (High) - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
A flaw use-after-free in function sco_sock_sendmsg() of the Linux kernel HCI subsystem was found in the way user calls ioct UFFDIO_REGISTER or other way triggers race condition of the call sco_conn_del() together with the call sco_sock_sendmsg() with the expected controllable faulting memory page. A privileged local user could use this flaw to crash the system or escalate their privileges on the system.
References
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=1980646Issue Tracking, Patch, Third Party Advisory
secalert@redhat.comhttps://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/net/bluetooth/sco.c?h=v5.16&id=99c23da0eed4fd20cae8243f2b51e10e66aa0951Patch, Vendor Advisory
secalert@redhat.comhttps://github.com/torvalds/linux/commit/99c23da0eed4fd20cae8243f2b51e10e66aa0951Patch, 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://security.netapp.com/advisory/ntap-20220419-0003/Third Party Advisory
secalert@redhat.comhttps://ubuntu.com/security/CVE-2021-3640Patch, Third Party Advisory
secalert@redhat.comhttps://www.debian.org/security/2022/dsa-5096Third Party Advisory
secalert@redhat.comhttps://www.openwall.com/lists/oss-security/2021/07/22/1Exploit, Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=1980646Issue Tracking, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/net/bluetooth/sco.c?h=v5.16&id=99c23da0eed4fd20cae8243f2b51e10e66aa0951Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/torvalds/linux/commit/99c23da0eed4fd20cae8243f2b51e10e66aa0951Patch, 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://security.netapp.com/advisory/ntap-20220419-0003/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://ubuntu.com/security/CVE-2021-3640Patch, 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/2021/07/22/1Exploit, Mailing List, 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 *
debian debian_linux 9.0
fedoraproject fedora 34
canonical ubuntu_linux 14.04
canonical ubuntu_linux 16.04
canonical ubuntu_linux 18.04
canonical ubuntu_linux 20.04
canonical ubuntu_linux 21.10
netapp h300s_firmware -
netapp h300s -
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 -
netapp h500s_firmware -
netapp h500s -


To clipboard 

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      "value": "A flaw use-after-free in function sco_sock_sendmsg() of the Linux kernel HCI subsystem was found in the way user calls ioct UFFDIO_REGISTER or other way triggers race condition of the call sco_conn_del() together with the call sco_sock_sendmsg() with the expected controllable faulting memory page. A privileged local user could use this flaw to crash the system or escalate their privileges on the system."
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      "value": "Se encontr\u00f3 un fallo de uso de memoria previamente liberada en la funci\u00f3n sco_sock_sendmsg() del subsistema HCI del kernel de Linux en la forma en que el usuario llama a ioct UFFDIO_REGISTER o de otra manera desencadena una condici\u00f3n de carrera de la llamada sco_conn_del() junto con la llamada sco_sock_sendmsg() con la p\u00e1gina de memoria de fallo controlable esperada. Un usuario local privilegiado podr\u00eda usar este fallo para bloquear el sistema o escalar sus privilegios en el sistema"
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  "lastModified": "2024-11-21T06:22:03.073",
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  "published": "2022-03-03T23:15:08.197",
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      "description": [
        {
          "lang": "en",
          "value": "CWE-416"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Secondary"
    }
  ]
}


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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.