PT-2022-10937 · Google · Android

Published 2022-01-01 · Updated 2022-01-18 · CVE-2021-39629

Positive Technologies (AI Summary)

CVSS v3.1

7.0

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Android versions Android-9 through Android-12

Description The issue is related to a possible use after free due to a race condition in the phTmlNfc Init and phTmlNfc CleanUp functions of phTmlNfc.cc. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

Recommendations For Android versions Android-9 through Android-12, at the moment, there is no information about a newer version that contains a fix for this vulnerability.

Race Condition

Use After Free

Weakness Enumeration

CWE-362

CWE-416

Related Identifiers

ASB-A-197353344

CVE-2021-39629

Affected Products

Android

References · 6

• https://source.android.com/security/bulletin/2022-01-01 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-39629 · Security Note
• https://osv.dev/vulnerability/ASB-A-197353344 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-39629 · Vendor Advisory
• https://t.me/cvenotify/25581 · Telegram Post
• https://android.googlesource.com/platform/hardware/nxp/nfc/+/63162916491d3ad034e0288fb2e254cf2b66db92 · Note