Vulnerability · Published Jan 14, 2022 · Assigned by google_android
CVE-2021-39629
High 7.0
In plain English
A high-severity security flaw in Android. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 1% of all known vulnerabilities).
Severity (CVSS NVD)7.0High
Exploit odds (30 days)<0.1%top 99.5% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
In phTmlNfc_Init and phTmlNfc_CleanUp of phTmlNfc.cc, there is a possible use after free due to a race condition. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-9Android ID: A-197353344
Affected products (as reported)
References
- https://source.android.com/security/bulletin/2022-01-01 x_refsource_MISC