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

Kiyin · Published 2020-11-02 · Updated 2023-02-12 · CVE-2020-25671

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Linux Kernel (affected versions not specified)

Description The issue is related to the use of memory after it has been freed in the llcp sock connect() function. This could potentially allow an attacker to escalate their privileges. The problem is caused by a refcount leak in the llcp sock connect() function, leading to a use-after-free condition.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

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

Affected Products

Alt Linux

Astra Linux

Linux Kernel

Linuxmint

Suse

Ubuntu

References · 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