PT-2021-6104 · Google+2 · Android Kernel+2

Published 2021-12-15 · Updated 2022-07-12 · CVE-2021-39648

Positive Technologies (AI Summary)

CVSS v3.1

4.1

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Android kernel versions (affected versions not specified)

Description The issue is related to a possible disclosure of kernel heap memory due to a race condition in the gadget dev desc UDC show function of configfs.c. This could lead to local information disclosure with System execution privileges needed. No user interaction is required for exploitation.

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

Exploit

Race Condition

Exposure of Resource to Wrong Sphere

Weakness Enumeration

CWE-362

CWE-668

Related Identifiers

BDU:2022-00829

CVE-2021-39648

OESA-2021-1475

OPENSUSE-SU-2022:0363-1

OPENSUSE-SU-2022:0366-1

OPENSUSE-SU-2022:0370-1

OPENSUSE-SU-2022_0363-1

OPENSUSE-SU-2022_0366-1

OPENSUSE-SU-2022_0370-1

SUSE-SU-2022:0362-1

SUSE-SU-2022:0363-1

SUSE-SU-2022:0364-1

SUSE-SU-2022:0365-1

SUSE-SU-2022:0366-1

SUSE-SU-2022:0367-1

SUSE-SU-2022:0370-1

SUSE-SU-2022:0371-1

SUSE-SU-2022:0372-1

SUSE-SU-2022:0477-1

SUSE-SU-2022:0543-1

SUSE-SU-2022:0544-1

SUSE-SU-2022:0555-1

USN-5343-1

Affected Products

Android Kernel

Suse

Ubuntu

References · 256

• 🔥 https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/local/vmwgfx_fd_priv_esc.rb · Exploit
• 🔥 https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/local/docker_cgroup_escape.rb · Exploit
• 🔥 https://github.com/bobfuzzer/CVE/tree/master/CVE-2019-19449 · Exploit
• 🔥 https://github.com/PaloAltoNetworks/can-ctr-escape-cve-2022-0492 · Exploit
• 🔥 https://github.com/chenaotian/CVE-2022-0492 · Exploit
• 🔥 https://github.com/0xdevil/CVE-2021-42008 · Exploit
• 🔥 https://github.com/SofianeHamlaoui/CVE-2022-0492-Checker · Exploit
• 🔥 https://github.com/numanturle/CVE-2021-42008 · Exploit
• 🔥 https://github.com/T1erno/CVE-2022-0492-Docker-Breakout-Checker-and-PoC · Exploit
• 🔥❌ https://github.com/puckiestyle/CVE-2022-0492 · Exploit, Deleted
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-39648 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-38208 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-4037 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2022:0544-1 · Vendor Advisory
• https://bdu.fstec.ru/vul/2022-00829 · Security Note