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CVE-2021-0920

MEDIUMCISA KEV

6.4

Descricao

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

Detalhes CVE

Pontuacao CVSS v3.16.4

SeveridadeMEDIUM

Vetor CVSSCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

Vetor de ataqueLOCAL

ComplexidadeHIGH

Privilegios necessariosHIGH

Interacao do usuarioNONE

Publicado12/15/2021

Ultima modificacao10/23/2025

Fontekev

Avistamentos honeypot0

CISA KEV

FornecedorAndroid

ProdutoKernel

Nome da vulnerabilidadeAndroid Kernel Race Condition Vulnerability

Data inclusao KEV2022-05-23

Prazo de remediacao2022-06-13

Uso em ransomwareUnknown

Produtos afetados

debian:debian_linuxgoogle:androidlinux:linux_kernel

Fraquezas (CWE)

CWE-362CWE-416CWE-416

Referencias

https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html(security@android.com)

https://source.android.com/security/bulletin/2021-11-01(security@android.com)

https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html(af854a3a-2127-422b-91ae-364da2661108)

https://source.android.com/security/bulletin/2021-11-01(af854a3a-2127-422b-91ae-364da2661108)

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-0920(134c704f-9b21-4f2e-91b3-4a467353bcc0)

Correlacoes IOC

Sem correlacoes registradas

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