PT-2022-10928 · Google · Android

Published 2022-01-01 · Updated 2022-01-15 · CVE-2021-39620

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 versions Android-11 through Android-12

Description The issue is related to a use after free in the ipcSetDataReference function of Parcel.cpp, which could lead to memory corruption. This can result in local escalation of privilege without requiring additional execution privileges. User interaction is not necessary for exploitation.

Recommendations For Android versions Android-11 through Android-12, apply the necessary patch to fix the use after free issue in the ipcSetDataReference function of Parcel.cpp.

Fix

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

ASB-A-203847542

CVE-2021-39620

Affected Products

Android

References · 5

• https://source.android.com/security/bulletin/2022-01-01 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-39620 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-39620 · Security Note
• https://osv.dev/vulnerability/ASB-A-203847542 · Vendor Advisory
• https://android.googlesource.com/platform/frameworks/native/+/f2e0a95700a937e421647623a60c9fc01d6e5d87 · Note