CVE-2017-18079
HIGH severity · CVSS 7.8 · CWE-476
7.8CVSS HIGH
Summary
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.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)0%
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=340d394a789518018f834ff70f7534fc463d3226 ↗
Additional information
- NVD record
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=340d394a789518018f834ff70f7534fc463d3226Patch
- https://github.com/torvalds/linux/commit/340d394a789518018f834ff70f7534fc463d3226Patch
- https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.12.4Patch
- http://www.securityfocus.com/bid/102895Advisory
- https://usn.ubuntu.com/3655-1/Advisory
- https://usn.ubuntu.com/3655-2/Advisory