CVE-2020-27830

MEDIUM

5.5

Descricao

A vulnerability was found in Linux Kernel where in the spk_ttyio_receive_buf2() function, it would dereference spk_ttyio_synth without checking whether it is NULL or not, and may lead to a NULL-ptr deref crash.

Detalhes CVE

Pontuacao CVSS v3.15.5

SeveridadeMEDIUM

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

Vetor de ataqueLOCAL

ComplexidadeLOW

Privilegios necessariosLOW

Interacao do usuarioNONE

Publicado5/13/2021

Ultima modificacao11/21/2024

Fontenvd

Avistamentos honeypot0

Produtos afetados

debian:debian_linuxlinux:linux_kernel

Fraquezas (CWE)

CWE-476

Referencias

http://www.openwall.com/lists/oss-security/2020/12/08/1(secalert@redhat.com)

http://www.openwall.com/lists/oss-security/2020/12/08/4(secalert@redhat.com)

https://bugzilla.redhat.com/show_bug.cgi?id=1919900(secalert@redhat.com)

https://lists.debian.org/debian-lts-announce/2021/02/msg00018.html(secalert@redhat.com)

https://security.netapp.com/advisory/ntap-20210625-0004/(secalert@redhat.com)

https://www.debian.org/security/2021/dsa-4843(secalert@redhat.com)

http://www.openwall.com/lists/oss-security/2020/12/08/1(af854a3a-2127-422b-91ae-364da2661108)

http://www.openwall.com/lists/oss-security/2020/12/08/4(af854a3a-2127-422b-91ae-364da2661108)

https://bugzilla.redhat.com/show_bug.cgi?id=1919900(af854a3a-2127-422b-91ae-364da2661108)

https://lists.debian.org/debian-lts-announce/2021/02/msg00018.html(af854a3a-2127-422b-91ae-364da2661108)

https://security.netapp.com/advisory/ntap-20210625-0004/(af854a3a-2127-422b-91ae-364da2661108)

https://www.debian.org/security/2021/dsa-4843(af854a3a-2127-422b-91ae-364da2661108)

Correlacoes IOC

Sem correlacoes registradas

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