CVE-2022-20566

HighCVSS 7.8/10Last modified Oct 14, 2026

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

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-416CWE-667

Affected software

No affected versions have been published.

Timeline

Published
Dec 16, 2022
Last modified
Oct 14, 2026
NVD status
Modified

Related CVEs from 2022

CVE-2022-205676.4In pppol2tp_create of l2tp_ppp.c, there is a possible use after free due to a race condition. This could lead to local escalation of privileCVE-2022-205687.8In (TBD) of (TBD), there is a possible way to corrupt kernel memory due to a use after free. This could lead to local escalation of privilegCVE-2022-205696.7In thermal_cooling_device_stats_update of thermal_sysfs.c, there is a possible out of bounds write due to improper input validation. This coCVE-2022-20576.5Divide By Zero error in tiffcrop in libtiff 4.4.0 allows attackers to cause a denial-of-service via a crafted tiff file. For users that compCVE-2022-205705.5Product: AndroidVersions: Android kernelAndroid ID: A-230660904References: N/ACVE-2022-205716.7In extract_metadata of dm-android-verity.c, there is a possible way to corrupt kernel memory due to a use after free. This could lead to locCVE-2022-205726.7In verity_target of dm-verity-target.c, there is a possible way to modify read-only files due to a missing permission check. This could leadCVE-2022-205745.5In sec_sysmmu_info of drm_fw.c, there is a possible out of bounds read due to improper input validation. This could lead to local informatioCVE-2022-205755.5In read_ppmpu_info of drm_fw.c, there is a possible out of bounds read due to an incorrect bounds check. This could lead to local informatioCVE-2022-205766.7In externalOnRequest of rilapplication.cpp, there is a possible out of bounds write due to a missing bounds check. This could lead to local CVE-2022-205776.7In OemSimAuthRequest::encode of wlandata.cpp, there is a possible out of bounds write due to a missing bounds check. This could lead to locaCVE-2022-205786.7In RadioImpl::setGsmBroadcastConfig of ril_service_legacy.cpp, there is a possible stack clash leading to memory corruption. This could lead
CVE-2022-20566: High severity, CVSS 7.8 | Vulnix