CVE-2021-39806

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-06-15 · updated 2026-06-17
Weakness: CWE-415

Description

In closef of label_backends_android.c, there is a possible way to corrupt memory due to a double free. This could lead to local escalation of privilege during startup of servicemanager, if an attacker can trigger an initialization failure, with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12LAndroid ID: A-215387420

Affected products

Android: 12.1

References

https://source.android.com/security/bulletin/pixel/2022-06-01
https://source.android.com/security/bulletin/pixel/2022-06-01

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