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ubuntucveUbuntu.comUB:CVE-2022-20141
HistoryJun 15, 2022 - 12:00 a.m.

CVE-2022-20141

2022-06-1500:00:00
ubuntu.com
ubuntu.com
22

7 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

6.9 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:M/Au:N/C:C/I:C/A:C

0.0004 Low

EPSS

Percentile

5.3%

In ip_check_mc_rcu of igmp.c, there is a possible use after free due to
improper locking. This could lead to local escalation of privilege when
opening and closing inet sockets with no additional execution privileges
needed. User interaction is not needed for exploitation.Product:
AndroidVersions: Android kernelAndroid ID: A-112551163References: Upstream
kernel

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchlinux<Β 4.15.0-162.170UNKNOWN
ubuntu20.04noarchlinux<Β 5.4.0-90.101UNKNOWN
ubuntu16.04noarchlinux<Β 4.4.0-230.264) Available with Ubuntu Pro or Ubuntu Pro (Infra-onlyUNKNOWN
ubuntu20.04noarchlinux-aws<Β 5.4.0-1059.62UNKNOWN
ubuntu18.04noarchlinux-aws<Β 4.15.0-1115.122UNKNOWN
ubuntu14.04noarchlinux-aws<Β 4.4.0-1110.116) Available with Ubuntu Pro or Ubuntu Pro (Infra-onlyUNKNOWN
ubuntu16.04noarchlinux-aws<Β 4.4.0-1146.161) Available with Ubuntu Pro or Ubuntu Pro (Infra-onlyUNKNOWN
ubuntu18.04noarchlinux-aws-5.4<Β 5.4.0-1059.62~18.04.1UNKNOWN
ubuntu16.04noarchlinux-aws-hwe<Β 4.15.0-1115.122~16.04.1) Available with Ubuntu Pro or Ubuntu Pro (Infra-onlyUNKNOWN
ubuntu20.04noarchlinux-azure<Β 5.4.0-1063.66UNKNOWN
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7 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

6.9 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:M/Au:N/C:C/I:C/A:C

0.0004 Low

EPSS

Percentile

5.3%