PT-2022-6437 · Google+3 · Android Kernel+3

Published 2022-07-26 · Updated 2023-03-06 · CVE-2022-20566

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 the use of previously freed memory in the l2cap chan put() function of l2cap core. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not required for exploitation.

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

Exploit

Use After Free

Improper Locking

Weakness Enumeration

CWE-416

CWE-667

Related Identifiers

BDU:2023-01293

CVE-2022-20566

OESA-2022-2147

OESA-2022-2162

USN-5884-1

USN-5913-1

USN-5926-1

Affected Products

Android Kernel

Astra Linux

Linuxmint

Ubuntu

References · 69

• 🔥 https://github.com/es0j/CVE-2023-0045 · Exploit
• 🔥 https://github.com/ASkyeye/CVE-2023-0045 · Exploit
• https://ubuntu.com/security/CVE-2023-0045 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-47521 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2022-4378 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2022-3903 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2022-20566 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2022-20566 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-20566 · Security Note
• https://wiki.astralinux.ru/astra-linux-se47-bulletin-2024-0416SE47 · Vendor Advisory
• https://osv.dev/vulnerability/OESA-2022-2147 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-3643 · Security Note
• https://wiki.astralinux.ru/astra-linux-se17-bulletin-2023-1023SE17 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-20568 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2022-47520 · Security Note