CVE-2021-39648

MEDIUM

Android - Local Information Disclosure via Race Condition in configfs.c

Title source: llm
STIX 2.1

Description

In gadget_dev_desc_UDC_show of configfs.c, there is a possible disclosure of kernel heap memory due to a race condition. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-160822094References: Upstream kernel

References (1)

Core 1
Core References
Patch, Vendor Advisory x_refsource_misc
https://source.android.com/security/bulletin/pixel/2021-12-01

Scores

CVSS v3 4.1
EPSS 0.0016
EPSS Percentile 5.6%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N

Details

CWE
CWE-362
Status published
Products (1)
google/android
Published Dec 15, 2021
Tracked Since Feb 18, 2026