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.
The product dereferences a pointer that it expects to be valid but is NULL.
Link | Tags |
---|---|
http://www.securityfocus.com/bid/102895 | vdb entry third party advisory |
https://github.com/torvalds/linux/commit/340d394a789518018f834ff70f7534fc463d3226 | patch |
https://usn.ubuntu.com/3655-1/ | third party advisory vendor advisory |
https://usn.ubuntu.com/3655-2/ | third party advisory vendor advisory |
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=340d394a789518018f834ff70f7534fc463d3226 | issue tracking third party advisory patch |
https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.12.4 | issue tracking release notes patch |