CVE-2017-18079

HIGH

Description

drivers/input/serio/i8042.c in the Linux kernel before 4.12.4 allows attackers to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact because the port->exists value can change after it is validated.

References

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=340d394a789518018f834ff70f7534fc463d3226

http://www.securityfocus.com/bid/102895

https://github.com/torvalds/linux/commit/340d394a789518018f834ff70f7534fc463d3226

https://usn.ubuntu.com/3655-1/

https://usn.ubuntu.com/3655-2/

https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.12.4

Details

Source: MITRE

Published: 2018-01-29

Updated: 2019-01-19

Type: CWE-476

Risk Information

CVSS v2.0

Base Score: 7.2

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

Impact Score: 10

Exploitability Score: 3.9

Severity: HIGH

CVSS v3.0

Base Score: 7.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Impact Score: 5.9

Exploitability Score: 1.8

Severity: HIGH