PT-2022-1383 · Google+3 · Android Kernel+3

Published 2022-07-29 · Updated 2023-03-03 · CVE-2023-20928

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 improper locking in the binder vma close function of binder.c. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. The vulnerability is also described as being related to errors in executing multithreaded tasks, specifically a race condition in the Linux operating system kernel's binder.c component.

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

Race Condition

Use After Free

Improper Locking

Weakness Enumeration

CWE-362

CWE-416

CWE-667

Related Identifiers

ASB-A-254837884

BDU:2023-00165

CVE-2023-20928

OESA-2023-1053

OESA-2023-1056

USN-5853-1

USN-5874-1

USN-5875-1

USN-5909-1

USN-5918-1

Affected Products

Android Kernel

Astra Linux

Linuxmint

Ubuntu

References · 52

• https://ubuntu.com/security/notices/USN-5853-1 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-20928 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-5874-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-45934 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-42895 · Vendor Advisory
• https://osv.dev/vulnerability/ASB-A-254837884 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2023-20928 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2023-20928 · Security Note
• https://osv.dev/vulnerability/USN-5874-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-3628 · Vendor Advisory
• https://osv.dev/vulnerability/USN-5918-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-4696 · Security Note
• https://ubuntu.com/security/notices/USN-5875-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-41849 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-23559 · Security Note