Vulnerability · Published Dec 15, 2021 · Assigned by google_android
CVE-2021-39642
Medium 6.4
In plain English
A medium-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 0% of all known vulnerabilities).
Severity (CVSS NVD)6.4Medium
Exploit odds (30 days)<0.1%top 99.6% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
In synchronous_process_io_entries of lwis_ioctl.c, there is a possible out of bounds write due to a race condition. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-195731663References: N/A
Affected products (as reported)
References
- https://source.android.com/security/bulletin/pixel/2021-12-01 x_refsource_MISC