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cve[email protected]CVE-2018-20169
HistoryDec 17, 2018 - 7:29 a.m.

CVE-2018-20169

2018-12-1707:29:00
CWE-400
web.nvd.nist.gov
288
linux
kernel
usb
size checks
mishandling
cve-2018-20169
security vulnerability

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

6.7 Medium

AI Score

Confidence

High

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.

Affected configurations

NVD
Node
linuxlinux_kernelRange<3.16.63
OR
linuxlinux_kernelRange3.173.18.129
OR
linuxlinux_kernelRange3.194.4.167
OR
linuxlinux_kernelRange4.54.9.145
OR
linuxlinux_kernelRange4.104.14.88
OR
linuxlinux_kernelRange4.154.19.9
Node
canonicalubuntu_linuxMatch14.04lts
OR
canonicalubuntu_linuxMatch16.04lts
Node
debiandebian_linuxMatch8.0

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

6.7 Medium

AI Score

Confidence

High

0.003 Low

EPSS

Percentile

69.1%