CVE-2022-20153

MEDIUM

Android Kernel - Use-After-Free in rcu_cblist_dequeue

Title source: llm

Description

In rcu_cblist_dequeue of rcu_segcblist.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-222091980References: Upstream kernel

References (1)

Core 1

Core References

Vendor Advisory x_refsource_misc

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

Scores

CVSS v3 6.7

EPSS 0.0012

EPSS Percentile 2.3%

Attack Vector LOCAL

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

Details

CWE

CWE-667

Status published

Products (1)

google/android

Published Jun 15, 2022

Tracked Since Feb 18, 2026