CVE-2021-39681

HighCVSS 7.8/10Last modified Jun 17, 2026

Description

In delete_protocol of main.c, there is a possible arbitrary code execution due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-200251074References: N/A

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-416

Affected software

No affected versions have been published.

Timeline

Published
Jan 14, 2022
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2021

CVE-2021-396827.8In mgm_alloc_page of memory_group_manager.c, there is a possible out of bounds write due to an incorrect bounds check. This could lead to loCVE-2021-396836.7In copy_from_mbox of sss_ice_util.c, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalatCVE-2021-396847.8In target_init of gs101/abl/target/slider/target.c, there is a possible allocation of RWX memory due to a logic error in the code. This coulCVE-2021-396857.8In various setup methods of the USB gadget subsystem, there is a possible out of bounds write due to an incorrect flag check. This could leaCVE-2021-396867.0In several functions of binder.c, there is a possible way to represent the wrong domain to SELinux due to a race condition. This could lead CVE-2021-396875.5In HandleTransactionIoEvent of actuator_driver.cc, there is a possible out of bounds read due to a heap buffer overflow. This could lead to CVE-2021-396885.5In TBD of TBD, there is a possible out of bounds read due to TBD. This could lead to local information disclosure with no additional executiCVE-2021-396896.7In multiple functions of odsign_main.cpp, there is a possible way to persist system attack due to a logic error in the code. This could leadCVE-2021-39697.0A Time of Check Time of Use (TOCTOU) vulnerability was reported in IMController, a software component of Lenovo System Interface Foundation,CVE-2021-396905.5In setDisplayPadding of WallpaperManagerService.java, there is a possible way to cause a persistent DoS due to improper input validation. ThCVE-2021-396917.3In WindowManager, there is a possible tapjacking attack due to an incorrect window flag when processing user input. This could lead to localCVE-2021-396927.8In onCreate of SetupLayoutActivity.java, there is a possible way to setup a work profile bypassing user consent due to a tapjacking/overlay
CVE-2021-39681: High severity, CVSS 7.8 | Vulnix