fkie_cve-2021-0920
Vulnerability from fkie_nvd
Published
2021-12-15 19:15
Modified
2025-04-04 17:34
Severity ?
6.4 (Medium) - CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
6.4 (Medium) - CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Summary
In unix_scm_to_skb of af_unix.c, there is a possible use after free bug due to a race condition. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-196926917References: Upstream kernel
References
security@android.comhttps://lists.debian.org/debian-lts-announce/2021/12/msg00012.htmlMailing List, Third Party Advisory
security@android.comhttps://source.android.com/security/bulletin/2021-11-01Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2021/12/msg00012.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://source.android.com/security/bulletin/2021-11-01Vendor Advisory
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel 5.14
linux linux_kernel 5.14
linux linux_kernel 5.14
google android -
debian debian_linux 9.0


To clipboard 

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  "cisaActionDue": "2022-06-13",
  "cisaExploitAdd": "2022-05-23",
  "cisaRequiredAction": "Apply updates per vendor instructions.",
  "cisaVulnerabilityName": "Android Kernel Race Condition Vulnerability",
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  "cveTags": [],
  "descriptions": [
    {
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      "value": "In unix_scm_to_skb of af_unix.c, there is a possible use after free bug due to a race condition. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-196926917References: Upstream kernel"
    },
    {
      "lang": "es",
      "value": "En la funci\u00f3n unix_scm_to_skb del archivo af_unix.c, se presenta un posible error de uso de memoria previamente liberada debido a una condici\u00f3n de carrera. Esto podr\u00eda conllevar a una escalada local de privilegios con los privilegios de ejecuci\u00f3n System requeridos. No es requerida una interacci\u00f3n del usuario para su explotaci\u00f3n. Producto: Android. Versiones: Android kernel. ID de Android: A-196926917 Referencias: Kernel ascendente"
    }
  ],
  "id": "CVE-2021-0920",
  "lastModified": "2025-04-04T17:34:25.457",
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}


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