CVE-2022-20566

HIGH

Android - Use-After-Free in l2cap_chan_put

Title source: llm
STIX 2.1

Description

In l2cap_chan_put of l2cap_core, there is a possible use after free due to improper locking. 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-165329981References: Upstream kernel

References (1)

Core 1
Core References

Scores

CVSS v3 7.8
EPSS 0.0016
EPSS Percentile 6.0%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-667 CWE-416
Status published
Products (1)
google/android
Published Dec 16, 2022
Tracked Since Feb 18, 2026