PT-2022-10993 · Google+1 · Android Kernel+1

Published 2022-03-09 · Updated 2022-09-28 · CVE-2021-39714

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 Android kernel versions (affected versions not specified)

Description The issue is related to a possible use-after-free due to an integer overflow in the ion buffer kmap get function of ion.c. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

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

Exploit

Integer Overflow

Use After Free

Weakness Enumeration

CWE-190

CWE-416

Related Identifiers

CVE-2021-39714

DLA-2940-1

USN-5505-1

USN-5513-1

Affected Products

Android Kernel

Ubuntu

References · 41

• 🔥 https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/local/docker_cgroup_escape.rb · Exploit
• 🔥 https://github.com/nrb547/kernel-exploitation/blob/main/cve-2021-3609/cve-2021-3609.md · Exploit
• 🔥 https://github.com/PaloAltoNetworks/can-ctr-escape-cve-2022-0492 · Exploit
• 🔥 https://github.com/chenaotian/CVE-2022-0492 · Exploit
• 🔥 https://github.com/SofianeHamlaoui/CVE-2022-0492-Checker · Exploit
• 🔥 https://github.com/T1erno/CVE-2022-0492-Docker-Breakout-Checker-and-PoC · Exploit
• 🔥❌ https://github.com/puckiestyle/CVE-2022-0492 · Exploit, Deleted
• https://ubuntu.com/security/CVE-2022-21123 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-21166 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-39714 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-3752 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2021-39714 · Security Note
• https://ubuntu.com/security/CVE-2021-3760 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-1353 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-5513-1 · Vendor Advisory