PT-2020-6654 · Linux+5 · Linux Kernel+5

Kiyin · Publicado 2020-11-02 · Atualizado 2023-02-12 · CVE-2020-25671

Positive Technologies (AI Summary) · Pt

CVSS v3.1

7.8

Alta

Vetor base

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

Nome do software vulnerável e versões afetadas

Kernel do Linux (versões afetadas não especificadas)

Descrição

O problema está relacionado ao uso de memória após ela ter sido liberada na função llcp sock connect(). Isso poderia permitir que um invasor aumentasse seus privilégios. O problema é causado por um vazamento de contagem de referências na função llcp sock connect(), levando a uma condição de uso após liberação.

Recomendações

No momento, não há informações sobre uma versão mais recente que contenha uma correção para essa vulnerabilidade.

Exploit

Use After Free

Enumeração de Fraquezas

CWE-416

Identificadores relacionados

ALT-PU-2021-1666

ALT-PU-2021-1698

ALT-PU-2021-1706

ALT-PU-2021-1711

ALT-PU-2021-1720

ALT-PU-2021-1739

ALT-PU-2021-1763

ALT-PU-2021-1768

ALT-PU-2021-1776

ALT-PU-2021-1862

ALT-PU-2021-1866

ALT-PU-2021-1869

ALT-PU-2021-1896

ALT-PU-2021-2370

ALT-PU-2021-2671

ALT-PU-2021-2672

ALT-PU-2021-2677

ALT-PU-2021-2678

ALT-PU-2021-2737

ALT-PU-2021-2751

ALT-PU-2021-3430

ALT-PU-2022-1240

BDU:2022-03028

CVE-2020-25671

DLA-2689-1

DLA-2690-1

MGASA-2021-0191

MGASA-2021-0192

OPENSUSE-SU-2021:0579-1

OPENSUSE-SU-2021:0758-1

OPENSUSE-SU-2021:1975-1

OPENSUSE-SU-2021:1977-1

OPENSUSE-SU-2021_0579-1

OPENSUSE-SU-2021_0758-1

OPENSUSE-SU-2021_1975-1

OPENSUSE-SU-2021_1977-1

SUSE-SU-2021:1210-1

SUSE-SU-2021:1211-1

SUSE-SU-2021:1238-1

SUSE-SU-2021:1248-1

SUSE-SU-2021:1266-1

SUSE-SU-2021:1301-1

SUSE-SU-2021:1573-1

SUSE-SU-2021:1596-1

SUSE-SU-2021:1617-1

SUSE-SU-2021:1623-1

SUSE-SU-2021:1624-1

SUSE-SU-2021:1625-1

SUSE-SU-2021:1975-1

SUSE-SU-2021:1977-1

SUSE-SU-2022:0234-1

SUSE-SU-2022:0243-1

SUSE-SU-2022:0255-1

SUSE-SU-2022:0263-1

SUSE-SU-2022:0291-1

SUSE-SU-2022:0293-1

SUSE-SU-2022:0296-1

SUSE-SU-2022:0325-1

USN-4948-1

USN-4977-1

USN-4979-1

USN-4982-1

USN-4999-1

USN-5343-1

Produtos afetados

Alt Linux

Astra Linux

Linux Kernel

Linuxmint

Suse

Ubuntu

Referências · 716

• 🔥 https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/local/cve_2022_0847_dirtypipe.rb · Exploit
• 🔥 https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/local/docker_cgroup_escape.rb · Exploit
• 🔥 https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/local/netfilter_xtables_heap_oob_write_priv_esc.rb · Exploit
• 🔥 https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/local/cve_2021_3490_ebpf_alu32_bounds_check_lpe.rb · Exploit
• 🔥 https://github.com/Arinerron/CVE-2022-0847-DirtyPipe-Exploit · Exploit
• 🔥 https://github.com/AlexisAhmed/CVE-2022-0847-DirtyPipe-Exploits · Exploit
• 🔥 https://github.com/Bonfee/CVE-2022-25636 · Exploit
• 🔥 https://github.com/chompie1337/Linux_LPE_eBPF_CVE-2021-3490 · Exploit
• 🔥 https://github.com/imfiver/CVE-2022-0847 · Exploit
• 🔥 https://github.com/r1is/CVE-2022-0847 · Exploit
• 🔥 https://github.com/Liang2580/CVE-2021-33909 · Exploit
• 🔥 https://github.com/nrb547/kernel-exploitation/blob/main/cve-2021-3609/cve-2021-3609.md · Exploit
• 🔥 https://github.com/Al1ex/CVE-2022-0847 · Exploit
• 🔥 https://github.com/basharkey/CVE-2022-0847-dirty-pipe-checker · Exploit
• 🔥 https://github.com/DataDog/dirtypipe-container-breakout-poc · Exploit