Vulnerability · Published Dec 15, 2021 · Assigned by google_android
CVE-2021-39649
Medium 6.7
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 1% of all known vulnerabilities).
Severity (CVSS NVD)6.7Medium
Exploit odds (30 days)<0.1%top 99.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
In regmap_exit of regmap.c, there is a possible use-after-free due to improper locking. This could lead to local escalation of privilege in the kernel with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-174049006References: N/A
Affected products (as reported)
References
- https://source.android.com/security/bulletin/pixel/2021-12-01 x_refsource_MISC