FKIE_CVE-2021-33574

Vulnerability from fkie_nvd - Published: 2021-05-25 22:15 - Updated: 2024-11-21 06:09
Severity ?
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
The mq_notify function in the GNU C Library (aka glibc) versions 2.32 and 2.33 has a use-after-free. It may use the notification thread attributes object (passed through its struct sigevent parameter) after it has been freed by the caller, leading to a denial of service (application crash) or possibly unspecified other impact.
References
cve@mitre.orghttps://lists.debian.org/debian-lts-announce/2022/10/msg00021.htmlMailing List, Third Party Advisory
cve@mitre.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KJYYIMDDYOHTP2PORLABTOHYQYYREZDD/
cve@mitre.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RBUUWUGXVILQXVWEOU7N42ICHPJNAEUP/
cve@mitre.orghttps://security.gentoo.org/glsa/202107-07Third Party Advisory
cve@mitre.orghttps://security.netapp.com/advisory/ntap-20210629-0005/Third Party Advisory
cve@mitre.orghttps://sourceware.org/bugzilla/show_bug.cgi?id=27896Exploit, Issue Tracking, Third Party Advisory
cve@mitre.orghttps://sourceware.org/bugzilla/show_bug.cgi?id=27896#c1Issue Tracking
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2022/10/msg00021.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KJYYIMDDYOHTP2PORLABTOHYQYYREZDD/
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RBUUWUGXVILQXVWEOU7N42ICHPJNAEUP/
af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/202107-07Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20210629-0005/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://sourceware.org/bugzilla/show_bug.cgi?id=27896Exploit, Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://sourceware.org/bugzilla/show_bug.cgi?id=27896#c1Issue Tracking
Impacted products
Vendor Product Version
gnu glibc 2.32
gnu glibc 2.33
fedoraproject fedora 33
fedoraproject fedora 34
netapp cloud_backup -
netapp e-series_santricity_os_controller *
netapp solidfire_baseboard_management_controller_firmware -
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 -
debian debian_linux 10.0
To clipboard 

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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The mq_notify function in the GNU C Library (aka glibc) versions 2.32 and 2.33 has a use-after-free. It may use the notification thread attributes object (passed through its struct sigevent parameter) after it has been freed by the caller, leading to a denial of service (application crash) or possibly unspecified other impact."
    },
    {
      "lang": "es",
      "value": "La funci\u00f3n mq_notify de la Biblioteca C de GNU (tambi\u00e9n conocida como glibc) versiones 2.32 y 2.33 tiene un use-after-free. Puede utilizar el objeto de atributos del hilo de notificaci\u00f3n (pasado a trav\u00e9s de su par\u00e1metro struct sigevent) despu\u00e9s de que haya sido liberado por el llamante, lo que lleva a una denegaci\u00f3n de servicio (ca\u00edda de la aplicaci\u00f3n) o posiblemente a otro impacto no especificado"
    }
  ],
  "id": "CVE-2021-33574",
  "lastModified": "2024-11-21T06:09:07.140",
  "metrics": {
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        "baseSeverity": "HIGH",
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  "published": "2021-05-25T22:15:10.410",
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  "vulnStatus": "Modified",
  "weaknesses": [
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          "value": "CWE-416"
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      "source": "nvd@nist.gov",
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}


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Sightings

Author Source Type Date

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.



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