Vulnerability CVE-2017-18079
Published: 2018-01-29

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.

Type:

CWE-476

 (NULL Pointer Dereference)

CVSS2 => (AV:L/AC:L/Au:N/C:C/I:C/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.2/10
10/10
3.9/10
Exploit range
Attack complexity
Authentication
Local
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Complete
Complete
Complete
Affected software
Linux -> Linux kernel 

 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
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