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cve[email protected]CVE-2022-20566
HistoryDec 16, 2022 - 4:15 p.m.

CVE-2022-20566

2022-12-1616:15:00
CWE-416
CWE-667
[email protected]
web.nvd.nist.gov
59
cve-2022-20566
l2cap_chan_put
l2cap_core
android
kernel
local escalation
privilege
nvd

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.5 High

AI Score

Confidence

High

4.3 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:L/AC:L/Au:S/C:P/I:P/A:P

0.0004 Low

EPSS

Percentile

5.3%

JSON

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

CPENameOperatorVersion
google:androidgoogle androideq-

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7.8 High

CVSS3

Attack Vector

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Attack Complexity

LOW

Privileges Required

LOW

User Interaction

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Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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7.5 High

AI Score

Confidence

High

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CVSS2

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Access Complexity

LOW

Authentication

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Confidentiality Impact

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Integrity Impact

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0.0004 Low

EPSS

Percentile

5.3%

JSON
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