CVE-2017-18079 Information

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.

CVSS Vector

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

Reference

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

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8