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Vulnerability Intelligence

CVE-2022-20566 | Mondoo Vulnerability Intelligence

Vulnerability IntelligenceCVE-2022-20566

CVE-2022-20566

HIGH7.8

In l2cap_chan_put of l2cap_core, there is a possible use after free due to improper locking

Published Dec 16, 2022

Modified 9 months ago

Details

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

WEBhttps://source.android.com/security/bulletin/pixel/2022-12-01 ADVISORYhttps://www.cve.org/CVERecord?id=CVE-2022-20566

CVSS Analysis

CVSS v3.1

7.8

Exploitability

Attack Vector

LocalAV:L

Attack Complexity

LowAC:L

Privileges Required

LowPR:L

User Interaction

NoneUI:N

Scope

Scope

UnchangedS:U

Impact

Confidentiality

HighC:H

Integrity

HighI:H

Availability

HighA:H

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

Ecosystems

Timeline

PublishedDec 16, 2022

ModifiedApr 21, 2025