CVE-2021-20321

MEDIUM

4.7

Descricao

A race condition accessing file object in the Linux kernel OverlayFS subsystem was found in the way users do rename in specific way with OverlayFS. A local user could use this flaw to crash the system.

Detalhes CVE

Pontuacao CVSS v3.14.7

SeveridadeMEDIUM

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

Vetor de ataqueLOCAL

ComplexidadeHIGH

Privilegios necessariosLOW

Interacao do usuarioNONE

Publicado2/18/2022

Ultima modificacao11/21/2024

Fontenvd

Avistamentos honeypot0

Produtos afetados

debian:debian_linuxlinux:linux_kernelredhat:enterprise_linux

Fraquezas (CWE)

CWE-362CWE-362

Referencias

https://bugzilla.redhat.com/show_bug.cgi?id=2013242(secalert@redhat.com)

https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html(secalert@redhat.com)

https://lore.kernel.org/all/20211011134508.748956131%40linuxfoundation.org/(secalert@redhat.com)

https://www.debian.org/security/2022/dsa-5096(secalert@redhat.com)

https://bugzilla.redhat.com/show_bug.cgi?id=2013242(af854a3a-2127-422b-91ae-364da2661108)

https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html(af854a3a-2127-422b-91ae-364da2661108)

https://lore.kernel.org/all/20211011134508.748956131%40linuxfoundation.org/(af854a3a-2127-422b-91ae-364da2661108)

https://www.debian.org/security/2022/dsa-5096(af854a3a-2127-422b-91ae-364da2661108)

Correlacoes IOC

Sem correlacoes registradas

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