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ubuntucveUbuntu.comUB:CVE-2019-3819
HistoryJan 25, 2019 - 12:00 a.m.

CVE-2019-3819

2019-01-2500:00:00
ubuntu.com
ubuntu.com
17

4.4 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

4.9 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

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

0.0004 Low

EPSS

Percentile

5.3%

A flaw was found in the Linux kernel in the function
hid_debug_events_read() in drivers/hid/hid-debug.c file which may enter an
infinite loop with certain parameters passed from a userspace. A local
privileged user (β€œroot”) can cause a system lock up and a denial of
service. Versions from v4.18 and newer are vulnerable.

Bugs

Notes

Author Note
sbeattie claims to be introduced by fix for CVE-2018-9516
tyhicks HID debug events are exposed via debugfs which is only accessible by the root user in Ubuntu
OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchlinux<Β 4.15.0-60.67UNKNOWN
ubuntu16.04noarchlinux<Β 4.4.0-145.171UNKNOWN
ubuntu18.04noarchlinux-aws<Β 4.15.0-1047.49UNKNOWN
ubuntu14.04noarchlinux-aws<Β 4.4.0-1040.43UNKNOWN
ubuntu16.04noarchlinux-aws<Β 4.4.0-1079.89UNKNOWN
ubuntu16.04noarchlinux-aws-hwe<Β 4.15.0-1047.49~16.04.1UNKNOWN
ubuntu18.04noarchlinux-azure<Β 5.0.0-1014.14~18.04.1UNKNOWN
ubuntu16.04noarchlinux-azure<Β 4.15.0-1056.61UNKNOWN
ubuntu18.04noarchlinux-azure-edge<Β 5.0.0-1014.14~18.04.1UNKNOWN
ubuntu16.04noarchlinux-azure-edge<Β 4.15.0-1056.61UNKNOWN
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4.4 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

4.9 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

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

0.0004 Low

EPSS

Percentile

5.3%