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ubuntucveUbuntu.comUB:CVE-2018-20169
HistoryDec 17, 2018 - 12:00 a.m.

CVE-2018-20169

2018-12-1700:00:00
ubuntu.com
ubuntu.com
27

7.2 High

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

6.8 Medium

CVSS3

Attack Vector

PHYSICAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

0.003 Low

EPSS

Percentile

69.1%

An issue was discovered in the Linux kernel before 4.19.9. The USB
subsystem mishandles size checks during the reading of an extra descriptor,
related to __usb_get_extra_descriptor in drivers/usb/core/usb.c.

Notes

Author Note
tyhicks This issue requires physical access and, therefore, is being rated as a low priority issue
OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchlinux< 4.15.0-58.64UNKNOWN
ubuntu16.04noarchlinux< 4.4.0-142.168UNKNOWN
ubuntu18.04noarchlinux-aws< 4.15.0-1047.49UNKNOWN
ubuntu14.04noarchlinux-aws< 4.4.0-1038.41UNKNOWN
ubuntu16.04noarchlinux-aws< 4.4.0-1075.85UNKNOWN
ubuntu16.04noarchlinux-aws-hwe< 4.15.0-1047.49~16.04.1UNKNOWN
ubuntu18.04noarchlinux-azure< 5.0.0-1014.14~18.04.1UNKNOWN
ubuntu16.04noarchlinux-azure< 4.15.0-1055.60UNKNOWN
ubuntu18.04noarchlinux-azure-edge< 5.0.0-1014.14~18.04.1UNKNOWN
ubuntu16.04noarchlinux-azure-edge< 4.15.0-1055.60UNKNOWN
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7.2 High

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

6.8 Medium

CVSS3

Attack Vector

PHYSICAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

0.003 Low

EPSS

Percentile

69.1%