CVE-2021-22600

MEDIUMCISA KEV

6.6

Descricao

A double free bug in packet_set_ring() in net/packet/af_packet.c can be exploited by a local user through crafted syscalls to escalate privileges or deny service. We recommend upgrading kernel past the effected versions or rebuilding past ec6af094ea28f0f2dda1a6a33b14cd57e36a9755

Detalhes CVE

Pontuacao CVSS v3.16.6

SeveridadeMEDIUM

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

Vetor de ataqueLOCAL

ComplexidadeHIGH

Privilegios necessariosLOW

Interacao do usuarioREQUIRED

Publicado1/26/2022

Ultima modificacao10/24/2025

Fontekev

Avistamentos honeypot0

CISA KEV

FornecedorLinux

ProdutoKernel

Nome da vulnerabilidadeLinux Kernel Privilege Escalation Vulnerability

Data inclusao KEV2022-04-11

Prazo de remediacao2022-05-02

Uso em ransomwareUnknown

Produtos afetados

debian:debian_linuxlinux:linux_kernelnetapp:8300netapp:8300_firmwarenetapp:8700netapp:8700_firmwarenetapp:a400netapp:a400_firmwarenetapp:c400netapp:c400_firmwarenetapp:h300snetapp:h300s_firmwarenetapp:h410cnetapp:h410c_firmwarenetapp:h410snetapp:h410s_firmwarenetapp:h500snetapp:h500s_firmwarenetapp:h700snetapp:h700s_firmware

Fraquezas (CWE)

CWE-415CWE-415

Referencias

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=ec6af094ea28f0f2dda1a6a33b14cd57e36a9755(cve-coordination@google.com)

https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html(cve-coordination@google.com)

https://security.netapp.com/advisory/ntap-20230110-0002/(cve-coordination@google.com)

https://www.debian.org/security/2022/dsa-5096(cve-coordination@google.com)

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=ec6af094ea28f0f2dda1a6a33b14cd57e36a9755(af854a3a-2127-422b-91ae-364da2661108)

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

https://security.netapp.com/advisory/ntap-20230110-0002/(af854a3a-2127-422b-91ae-364da2661108)

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

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-22600(134c704f-9b21-4f2e-91b3-4a467353bcc0)

Correlacoes IOC

Sem correlacoes registradas

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